Focus on s9y vulnerabilities and metrics.
Last updated: 08 Mar 2025, 23:25 UTC
This page consolidates all known Common Vulnerabilities and Exposures (CVEs) associated with s9y. We track both calendar-based metrics (using fixed periods) and rolling metrics (using gliding windows) to give you a comprehensive view of security trends and risk evolution. Use these insights to assess risk and plan your patching strategy.
For a broader perspective on cybersecurity threats, explore the comprehensive list of CVEs by vendor and product. Stay updated on critical vulnerabilities affecting major software and hardware providers.
Total s9y CVEs: 25
Earliest CVE date: 21 Oct 2004, 04:00 UTC
Latest CVE date: 16 May 2023, 14:15 UTC
Latest CVE reference: CVE-2023-31576
30-day Count (Rolling): 0
365-day Count (Rolling): 0
Calendar-based Variation
Calendar-based Variation compares a fixed calendar period (e.g., this month versus the same month last year), while Rolling Growth Rate uses a continuous window (e.g., last 30 days versus the previous 30 days) to capture trends independent of calendar boundaries.
Month Variation (Calendar): 0%
Year Variation (Calendar): -100.0%
Month Growth Rate (30-day Rolling): 0.0%
Year Growth Rate (365-day Rolling): -100.0%
Average CVSS: 5.58
Max CVSS: 10.0
Critical CVEs (≥9): 2
| Range | Count |
|---|---|
| 0.0-3.9 | 7 |
| 4.0-6.9 | 33 |
| 7.0-8.9 | 14 |
| 9.0-10.0 | 2 |
These are the five CVEs with the highest CVSS scores for s9y, sorted by severity first and recency.
An arbitrary file upload vulnerability in Serendipity 2.4-beta1 allows attackers to execute arbitrary code via a crafted HTML or Javascript file.
Serendipity before 2.3.4 on Windows allows remote attackers to execute arbitrary code because the filename of a renamed file may end with a dot. This file may then be renamed to have a .php filename.
A Cross-site Scripting (XSS) vulnerability exists in the Serendipity freetag plugin before 3.30 in the tagcloud parameter to plugins/serendipity_event_freetag/tagcloud.swf.
Serendipity before 1.6 has an XSS issue in the karma plugin which may allow privilege escalation.
Cross-Site Scripting (XSS) in Xinha, as included in the Serendipity package before 1.5.5, allows remote attackers to execute arbitrary code in plugins/ExtendedFileManager/manager.php and plugins/ImageManager/manager.php.
Cross-Site Scripting (XSS) in Xinha, as included in the Serendipity package before 1.5.5, allows remote attackers to execute arbitrary code in the image manager.
Cross-Site Scripting (XSS) in Xinha, as included in the Serendipity package before 1.5.5, allows remote attackers to execute arbitrary code via plugins/ExtendedFileManager/backend.php.
serendipity_moveMediaDirectory in Serendipity 2.0.3 allows remote attackers to upload and execute arbitrary PHP code because it mishandles an extensionless filename during a rename, as demonstrated by "php" as a filename.
Serendipity before 2.1.5 has XSS via EXIF data that is mishandled in the templates/2k11/admin/media_choose.tpl Editor Preview feature or the templates/2k11/admin/media_items.tpl Media Library feature.
Serendipity 2.0.4 has XSS via the serendipity_admin.php serendipity[body] parameter.
Serendipity 2.0.3 is vulnerable to a SQL injection in the blog component resulting in information disclosure
Stored XSS in Serendipity v2.1-rc1 allows an attacker to steal an admin's cookie and other information by composing a new entry as an editor user. This is related to lack of the serendipity_event_xsstrust plugin and a set_config error in that plugin.
There is CSRF in Serendipity 2.0.5, allowing attackers to install any themes via a GET request.
SQL injection vulnerability in include/functions_entries.inc.php in Serendipity 2.0.5 allows remote authenticated users to execute arbitrary SQL commands via the cat parameter.
Serendipity through 2.0.5 allows CSRF for the installation of an event plugin or a sidebar plugin.
comment.php in Serendipity through 2.0.5 allows CSRF in deleting any comments.
Open redirect vulnerability in comment.php in Serendipity through 2.0.5 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via a URL in the HTTP Referer header.
include/functions_installer.inc.php in Serendipity through 2.0.5 is vulnerable to File Inclusion and a possible Code Execution attack during a first-time installation because it fails to sanitize the dbType POST parameter before adding it to an include() call in the bundled-libs/serendipity_generateFTPChecksums.php file.
Multiple cross-site scripting (XSS) vulnerabilities in Serendipity before 2.0.5 allow remote authenticated users to inject arbitrary web script or HTML via a category or directory name.
In Serendipity before 2.0.5, an attacker can bypass SSRF protection by using a malformed IP address (e.g., http://127.1) or a 30x (aka Redirection) HTTP status code.
Cross-site scripting (XSS) vulnerability in Serendipity before 2.0.3 allows remote attackers to inject arbitrary web script or HTML via the serendipity[entry_id] parameter in an "edit" admin action to serendipity_admin.php.
Cross-site scripting (XSS) vulnerability in js/2k11.min.js in the 2k11 theme in Serendipity before 2.0.2 allows remote attackers to inject arbitrary web script or HTML via a user name in a comment, which is not properly handled in a Reply link.
Multiple incomplete blacklist vulnerabilities in the serendipity_isActiveFile function in include/functions_images.inc.php in Serendipity before 2.0.2 allow remote authenticated users to execute arbitrary PHP code by uploading a file with a (1) .pht or (2) .phtml extension.
SQL injection vulnerability in the serendipity_checkCommentToken function in include/functions_comments.inc.php in Serendipity before 2.0.2, when "Use Tokens for Comment Moderation" is enabled, allows remote administrators to execute arbitrary SQL commands via the serendipity[id] parameter to serendipity_admin.php.
Cross-site scripting (XSS) vulnerability in templates/2k11/admin/entries.tpl in Serendipity before 2.0.1 allows remote authenticated editors to inject arbitrary web script or HTML via the serendipity[cat][name] parameter to serendipity_admin.php, when creating a new category.
Multiple cross-site scripting (XSS) vulnerabilities in templates/2k11/admin/overview.inc.tpl in Serendipity before 2.0-rc2 allow remote attackers to inject arbitrary web script or HTML via a blog comment in the QUERY_STRING to serendipity/index.php.
Cross-site scripting (XSS) vulnerability in spell-check-savedicts.php in the htmlarea SpellChecker module, as used in Serendipity before 1.7.3 and possibly other products, allows remote attackers to inject arbitrary web script or HTML via the to_r_list parameter.
Cross-site scripting (XSS) vulnerability in serendipity_admin_image_selector.php in Serendipity 1.6.2 and earlier allows remote attackers to inject arbitrary web script or HTML via the serendipity[htmltarget] parameter.
SQL injection vulnerability in serendipity/serendipity_admin.php in Serendipity before 1.6.1 allows remote attackers to execute arbitrary SQL commands via the serendipity[plugin_to_conf] parameter. NOTE: this issue might be resultant from cross-site request forgery (CSRF).
Cross-site scripting (XSS) vulnerability in serendipity/serendipity_admin_image_selector.php in Serendipity before 1.6.1 allows remote attackers to inject arbitrary web script or HTML via the serendipity[textarea] parameter. NOTE: this issue might be resultant from cross-site request forgery (CSRF).
SQL injection vulnerability in include/functions_trackbacks.inc.php in Serendipity 1.6.2 allows remote attackers to execute arbitrary SQL commands via the url parameter to comment.php.
Serendipity 1.5.5 allows remote attackers to obtain sensitive information via a direct request to a .php file, which reveals the installation path in an error message, as demonstrated by templates/newspaper/layout.php and certain other files.
Cross-site scripting (XSS) vulnerability in Serendipity before 1.5.4, when "Remember me" logins are enabled, allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
The dynamic configuration feature in Xinha WYSIWYG editor 0.96 Beta 2 and earlier, as used in Serendipity 1.5.2 and earlier, allows remote attackers to bypass intended access restrictions and modify the configuration of arbitrary plugins via (1) crafted backend_config_secret_key_location and backend_config_hash parameters that are used in a SHA1 hash of a shared secret that can be known or externally influenced, which are not properly handled by the "Deprecated config passing" feature; or (2) crafted backend_data and backend_data[key_location] variables, which are not properly handled by the xinha_read_passed_data function. NOTE: this can be leveraged to upload and possibly execute arbitrary files via config.inc.php in the ImageManager plugin.
Unrestricted file upload vulnerability in Serendipity before 1.5 allows remote authenticated users to execute arbitrary code by uploading a file with an executable extension followed by a safe extension, then accessing it via a direct request to the file in an unspecified directory. NOTE: some of these details are obtained from third party information.
SQL injection vulnerability in the Freetag (serendipity_event_freetag) plugin before 3.09 for Serendipity (S9Y) allows remote attackers to execute arbitrary SQL commands via an unspecified parameter associated with Meta keywords in a blog entry.
Cross-site scripting (XSS) vulnerability in the Top Referrers (aka referrer) plugin in Serendipity (S9Y) before 1.3.1 allows remote attackers to inject arbitrary web script or HTML via the Referer HTTP header.
Multiple cross-site scripting (XSS) vulnerabilities in the installer in Serendipity (S9Y) 1.3 allow remote attackers to inject arbitrary web script or HTML via (1) unspecified path fields or (2) the database host field. NOTE: the timing window for exploitation of this issue might be limited.
Cross-site scripting (XSS) vulnerability in Serendipity (S9Y) before 1.3-beta1 allows remote authenticated users to inject arbitrary web script or HTML via (1) the "Real name" field in Personal Settings, which is presented to readers of articles; or (2) a file upload, as demonstrated by a .htm, .html, or .js file.
Cross-site scripting (XSS) vulnerability in the Freetag before 2.96 plugin for S9Y Serendipity, when using Internet Explorer 6 or 7, allows remote attackers to inject arbitrary web script or HTML via the PATH_INFO to plugin/tag/.
Cross-site scripting (XSS) vulnerability in the remote RSS sidebar plugin (serendipity_plugin_remoterss) in S9Y Serendipity before 1.2.1 allows remote attackers to inject arbitrary web script or HTML via a link in an RSS feed.
Multiple directory traversal vulnerabilities in Serendipity 1.0.3 and earlier allow remote attackers to read or include arbitrary local files via a .. (dot dot) sequence in the serendipity[charset] parameter in (1) include/lang.inc.php; or to plugins/ scripts (2) serendipity_event_bbcode/serendipity_event_bbcode.php, (3) serendipity_event_browsercompatibility/serendipity_event_browsercompatibility.php, (4) serendipity_event_contentrewrite/serendipity_event_contentrewrite.php, (5) serendipity_event_creativecommons/serendipity_event_creativecommons.php, (6) serendipity_event_emoticate/serendipity_event_emoticate.php, (7) serendipity_event_entryproperties/serendipity_event_entryproperties.php, (8) serendipity_event_karma/serendipity_event_karma.php, (9) serendipity_event_livesearch/serendipity_event_livesearch.php, (10) serendipity_event_mailer/serendipity_event_mailer.php, (11) serendipity_event_nl2br/serendipity_event_nl2br.php, (12) serendipity_event_s9ymarkup/serendipity_event_s9ymarkup.php, (13) serendipity_event_searchhighlight/serendipity_event_searchhighlight.php, (14) serendipity_event_spamblock/serendipity_event_spamblock.php, (15) serendipity_event_spartacus/serendipity_event_spartacus.php, (16) serendipity_event_statistics/serendipity_plugin_statistics.php, (17) serendipity_event_templatechooser/serendipity_event_templatechooser.php, (18) serendipity_event_textile/serendipity_event_textile.php, (19) serendipity_event_textwiki/serendipity_event_textwiki.php, (20) serendipity_event_trackexits/serendipity_event_trackexits.php, (21) serendipity_event_weblogping/serendipity_event_weblogping.php, (22) serendipity_event_xhtmlcleanup/serendipity_event_xhtmlcleanup.php, (23) serendipity_plugin_comments/serendipity_plugin_comments.php, (24) serendipity_plugin_creativecommons/serendipity_plugin_creativecommons.php, (25) serendipity_plugin_entrylinks/serendipity_plugin_entrylinks.php, (26) serendipity_plugin_eventwrapper/serendipity_plugin_eventwrapper.php, (27) serendipity_plugin_history/serendipity_plugin_history.php, (28) serendipity_plugin_recententries/serendipity_plugin_recententries.php, (29) serendipity_plugin_remoterss/serendipity_plugin_remoterss.php, (30) serendipity_plugin_shoutbox/serendipity_plugin_shoutbox.php, and and (31) serendipity_plugin_templatedropdown/serendipity_plugin_templatedropdown.php.
Cross-site request forgery (CSRF) vulnerability in the Entry Manager in Serendipity before 1.0-beta3 allows remote attackers to perform unauthorized actions as a logged-in user via a link or IMG tag.
config.php in S9Y Serendipity 1.0 beta 2 allows remote attackers to inject arbitrary PHP code by editing values that are stored in config.php and later executed. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
Cross-site request forgery (CSRF) vulnerability in Serendipity 0.8.4 and earlier allows remote attackers to perform unauthorized actions as a logged in user via a link or IMG tag to serendipity_admin.php.
Multiple cross-site scripting (XSS) vulnerabilities in Serendipity 0.8 allow remote attackers to inject arbitrary web script or HTML via the (1) templatedropdown and (2) shoutbox plugins.
Unknown vulnerability in serendipity_config_local.inc.php for Serendipity before 0.8 has unknown impact.
Serendipity before 0.8 allows Chief users to "hide plugins installed by other users."
Unknown vulnerability in "the function used to validate path-names for uploading media" in Serendipity before 0.8 has unknown impact.
The media manager in Serendipity before 0.8 allows remote attackers to upload and execute arbitrary (1) .php or (2) .shtml files.
Cross-site scripting (XSS) vulnerability in the BBCode plugin for Serendipity before 0.8 allows remote attackers to inject arbitrary web script or HTML via unknown vectors.
SQL injection vulnerability in exit.php for Serendipity 0.8 and earlier allows remote attackers to execute arbitrary SQL commands via the (1) url_id or (2) entry_id parameters.
SQL injection vulnerability in Serendipity 0.7-beta1 allows remote attackers to execute arbitrary SQL commands via the entry_id parameter to (1) exit.php or (2) comment.php.
Cross-site scripting (XSS) vulnerability in Comment.php in Serendipity 0.7 beta1, and possibly other versions before 0.7-beta3, allows remote attackers to inject arbitrary HTML and PHP code via the (1) email or (2) username field.
Cross-site scripting (XSS) vulnerability in compat.php in Serendipity before 0.7.1 allows remote attackers to inject arbitrary web script or HTML via the searchTerm variable.
CRLF injection vulnerability in Serendipity before 0.7rc1 allows remote attackers to perform HTTP Response Splitting attacks to modify expected HTML content from the server via the url parameter in (1) index.php and (2) exit.php, or (3) the HTTP Referer field in comment.php.