CVE-2023-5135 Vulnerability Analysis & Exploit Details

CVE-2023-5135
Vulnerability Scoring

6.4
/10
High Risk

If left unpatched, CVE-2023-5135 could lead to major system disruptions or data loss.

Attack Complexity Details

  • Attack Complexity: Low
    Exploits can be performed without significant complexity or special conditions.
  • Attack Vector: Network
    Vulnerability is exploitable over a network without physical access.
  • Privileges Required: Low
    Some privileges are necessary to exploit the vulnerability.
  • Scope: Changed
    Successful exploitation can impact components beyond the vulnerable component.
  • User Interaction: None
    No user interaction is necessary for exploitation.

CVE-2023-5135 Details

Status: Modified

Last updated: 🕣 21 Nov 2024, 08:41 UTC
Originally published on: 🕒 27 Sep 2023, 15:19 UTC

Time between publication and last update: 420 days

CVSS Release: version 3

CVSS3 Source

security@wordfence.com

CVSS3 Type

Secondary

CVSS3 Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

CVE-2023-5135 Vulnerability Summary

CVE-2023-5135: The Simple Cloudflare Turnstile plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'gravity-simple-turnstile' shortcode in versions up to, and including, 1.23.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Assessing the Risk of CVE-2023-5135

Access Complexity Graph

The exploitability of CVE-2023-5135 depends on two key factors: attack complexity (the level of effort required to execute an exploit) and privileges required (the access level an attacker needs).

Exploitability Analysis for CVE-2023-5135

CVE-2023-5135 presents an accessible attack vector with minimal effort required. Restricting access controls and implementing security updates are critical to reducing exploitation risks.

Understanding AC and PR

A lower complexity and fewer privilege requirements make exploitation easier. Security teams should evaluate these aspects to determine the urgency of mitigation strategies, such as patch management and access control policies.

Attack Complexity (AC) measures the difficulty in executing an exploit. A high AC means that specific conditions must be met, making an attack more challenging, while a low AC means the vulnerability can be exploited with minimal effort.

Privileges Required (PR) determine the level of system access necessary for an attack. Vulnerabilities requiring no privileges are more accessible to attackers, whereas high privilege requirements limit exploitation to authorized users with elevated access.

CVSS Score Breakdown Chart

Above is the CVSS Sub-score Breakdown for CVE-2023-5135, illustrating how Base, Impact, and Exploitability factors combine to form the overall severity rating. A higher sub-score typically indicates a more severe or easier-to-exploit vulnerability.

CIA Impact Analysis

Below is the Impact Analysis for CVE-2023-5135, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: Low
    CVE-2023-5135 could lead to minor leaks of non-critical information without major privacy breaches.
  • Integrity: Low
    Exploiting CVE-2023-5135 may cause minor changes to data without severely impacting its accuracy.
  • Availability: None
    CVE-2023-5135 does not impact system availability.

Exploit Prediction Scoring System (EPSS)

The EPSS score estimates the probability that this vulnerability will be exploited in the near future.

EPSS Score: 0.146% (probability of exploit)

EPSS Percentile: 51.93% (lower percentile = lower relative risk)
This vulnerability is less risky than approximately 48.07% of others.

CVE-2023-5135 References

External References

CWE Common Weakness Enumeration

Unknown

Vulnerable Configurations

  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.0.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.0.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.1.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.1.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.1.1:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.1.1:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.1.2:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.1.2:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.2.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.2.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.2.1:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.2.1:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.2.2:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.2.2:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.3.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.3.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.4.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.4.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.5.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.5.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.5.1:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.5.1:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.6.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.6.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.6.1:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.6.1:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.6.2:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.6.2:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.7.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.7.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.8.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.8.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.8.1:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.8.1:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.8.2:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.8.2:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.8.3:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.8.3:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.8.4:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.8.4:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.8.5:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.8.5:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.8.6:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.8.6:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.9.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.9.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.10.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.10.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.11.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.11.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.12.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.12.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.12.1:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.12.1:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.12.2:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.12.2:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.12.3:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.12.3:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.12.4:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.12.4:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.13.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.13.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.13.1:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.13.1:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.13.2:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.13.2:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.14.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.14.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.15.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.15.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.15.2:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.15.2:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.15.3:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.15.3:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.15.4:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.15.4:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.16.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.16.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.17.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.17.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.17.1:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.17.1:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.17.2:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.17.2:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.17.3:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.17.3:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.18.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.18.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.18.1:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.18.1:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.18.2:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.18.2:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.18.3:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.18.3:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.18.4:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.18.4:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.18.5:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.18.5:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.18.6:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.18.6:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.19.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.19.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.20.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.20.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.20.1:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.20.1:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.20.2:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.20.2:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.20.3:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.20.3:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.20.4:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.20.4:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.21.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.21.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.21.1:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.21.1:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.21.2:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.21.2:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.21.3:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.21.3:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.22.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.22.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.22.1:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.22.1:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.23.0:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.23.0:*:*:*:*:wordpress:*:*
  • cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.23.1:*:*:*:*:wordpress:*:*
    cpe:2.3:a:replywp:simple_cloudfare_turnstile:1.23.1:*:*:*:*:wordpress:*:*

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