CVE-2026-25688 Vulnerability Analysis & Exploit Details

CVE-2026-25688
Vulnerability Scoring

6.1
/10
High Risk

If left unpatched, CVE-2026-25688 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: None
    No privileges are required for exploitation.
  • Scope: Changed
    Successful exploitation can impact components beyond the vulnerable component.
  • User Interaction: Required
    User interaction is necessary for successful exploitation.

CVE-2026-25688 Details

Status: Analyzed

Last updated: 🕐 10 Jun 2026, 13:12 UTC
Originally published on: 🕘 09 Jun 2026, 09:16 UTC

Time between publication and last update: 1 days

CVSS Release: version 3

CVSS3 Source

134c704f-9b21-4f2e-91b3-4a467353bcc0

CVSS3 Type

Secondary

CVSS3 Vector

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

CVE-2026-25688 Vulnerability Summary

CVE-2026-25688: Improper Neutralization of Alternate XSS Syntax vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. AI-generated response content was rendered in the browser without proper sanitization, allowing malicious scripts to be executed when the content was viewed. Users are recommended to upgrade to version 2.0.1, which fixes the issue.

Assessing the Risk of CVE-2026-25688

Access Complexity Graph

The exploitability of CVE-2026-25688 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-2026-25688

With low attack complexity and no required privileges, CVE-2026-25688 is an easy target for cybercriminals. Organizations should prioritize immediate mitigation measures to prevent unauthorized access and data breaches.

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-2026-25688, 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-2026-25688, showing how Confidentiality, Integrity, and Availability might be affected if the vulnerability is exploited. Higher values usually signal greater potential damage.

  • Confidentiality: Low
    CVE-2026-25688 could lead to minor leaks of non-critical information without major privacy breaches.
  • Integrity: Low
    Exploiting CVE-2026-25688 may cause minor changes to data without severely impacting its accuracy.
  • Availability: None
    CVE-2026-25688 does not impact system availability.

CVE-2026-25688 References

External References

CWE Common Weakness Enumeration

CWE-87

CAPEC Common Attack Pattern Enumeration and Classification

  • XSS Using Alternate Syntax CAPEC-199 An adversary uses alternate forms of keywords or commands that result in the same action as the primary form but which may not be caught by filters. For example, many keywords are processed in a case insensitive manner. If the site's web filtering algorithm does not convert all tags into a consistent case before the comparison with forbidden keywords it is possible to bypass filters (e.g., incomplete black lists) by using an alternate case structure. For example, the "script" tag using the alternate forms of "Script" or "ScRiPt" may bypass filters where "script" is the only form tested. Other variants using different syntax representations are also possible as well as using pollution meta-characters or entities that are eventually ignored by the rendering engine. The attack can result in the execution of otherwise prohibited functionality.

Vulnerable Configurations

  • cpe:2.3:a:apache:answer:-:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:-:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:0.2.0:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:0.2.0:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:0.3.0:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:0.3.0:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:0.4.0:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:0.4.0:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:0.4.1:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:0.4.1:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:0.4.2:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:0.4.2:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:0.5.0:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:0.5.0:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.0:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.1:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.1:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.2:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.2:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.3:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.3:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.4:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.4:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.5:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.5:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.6:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.6:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.7:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.7:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.8:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.8:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.0.9:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.0.9:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.1.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.1.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.1.0:beta1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.1.0:beta1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.1.0:beta2:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.1.0:beta2:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.1.1:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.1.1:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.1.2:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.1.2:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.1.3:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.1.3:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.2.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.2.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.2.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.2.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.2.1:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.2.1:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.2.1:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.2.1:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.2.5:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.2.5:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.3.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.3.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.3.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.3.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.3.1:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.3.1:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.3.1:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.3.1:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.3.1:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.3.1:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.3.5:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.3.5:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.3.5:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.3.5:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.3.6:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.3.6:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.1:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.1:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.1:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.1:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.1:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.1:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.2:*:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.2:*:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.2:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.2:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.2:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.2:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.2:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.2:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.5:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.5:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.4.5:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.4.5:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.5.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.5.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.5.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.5.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.5.1:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.5.1:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.5.1:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.5.1:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.6.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.6.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.6.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.6.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.7.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.7.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.7.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.7.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.7.1:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.7.1:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.7.1:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.7.1:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:1.7.1:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:1.7.1:rc2:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:2.0.0:-:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:2.0.0:-:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:2.0.0:rc1:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:2.0.0:rc1:*:*:*:*:*:*
  • cpe:2.3:a:apache:answer:2.0.0:rc2:*:*:*:*:*:*
    cpe:2.3:a:apache:answer:2.0.0:rc2:*:*:*:*:*:*

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