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CVE-2025-62702VulnerabilityPublished

CVE-2025-62702: The Wikimedia Foundation Mediawiki – PageTriage Extension · XSS or 'Cross-site Scripting'

Affects The Wikimedia Foundation Mediawiki – PageTriage ExtensionSource CVE Database V5

0

Not known to be exploited · CVSS 6.9 Medium : upgrade to 1.44 when convenient.

Data as of 26 Oct 2026, 06:26 UTC

CVSS 4.0 base score
6.9Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.4% chance of exploitation in 30 days – higher than 37% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.44
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 21 Oct 2025

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponised: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 2026-10-26.

What to do

Upgrade The Wikimedia Foundation Mediawiki – PageTriage Extension to 1.44.

Affected software

ProductAffectedFixed in
The Wikimedia Foundation Mediawiki - PageTriage ExtensionAffected
  • <1.44
Fixed in
  • 1.44

AI-suggested

To mitigate CVE-2025-62702 effectively, European organizations should take several specific actions beyond generic XSS prevention. In the interim, consider disabling or restricting access to the PageTriage Extension if feasible, especially on public-facing instances. Implement strict input validation and output encoding on all user-supplied data within Mediawiki, focusing on the PageTriage Extension's input fields to prevent malicious script injection. Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts in browsers accessing the wiki. Conduct regular security audits and penetration testing targeting the Mediawiki environment to detect any residual XSS or related vulnerabilities. Educate users and administrators about the risks of XSS and encourage reporting of suspicious behavior. Additionally, monitor web server and application logs for unusual requests or error patterns that might indicate exploitation attempts. For organizations with sensitive data, consider isolating Mediawiki instances from critical internal networks to limit potential lateral movement in case of compromise.

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in The Wikimedia Foundation Mediawiki - PageTriage Extension allows Stored XSS.This issue affects Mediawiki - PageTriage Extension: from master before 1.44.

References

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