Skip to main content
VulnerabilityPublished Updated

CVE-2025-53482: Wikimedia Foundation Mediawiki – IPInfo Extension · XSS or 'Cross-site Scripting'

Affects Wikimedia Foundation Mediawiki – IPInfo ExtensionSource CVE Database V5

0

Not known to be exploited · CVSS 6.1 Medium · fixed in 1.44.0 : update Wikimedia Foundation Mediawiki – IPInfo Extension when convenient.

Data as of 26 Oct 2026, 14:05 UTC

CVSS 3.1 base score
6.1Medium
How severe the flaw is on the 0–10 CVSS scale.
EPSS
0.2% chance of exploitation in 30 days – higher than 12% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 1.44.0, 1.43.2, 1.43.0 +3
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 4 Jul 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 26 Oct 2026.

What to do

Upgrade to a fixed release listed under Affected software.

Affected software

ProductAffectedFixed in
Wikimedia Foundation Mediawiki - IPInfo ExtensionAffected
  • >=1.39.0 <1.40.0
  • >=1.42.0 <1.43.0
  • >=1.43.0 <1.44.0
  • <1.39.13
  • <1.42.7
  • <1.43.2
Fixed in
  • 1.40.0
  • 1.43.0
  • 1.44.0
  • 1.39.13
  • 1.42.7
  • 1.43.2

AI-suggested

Organizations should promptly upgrade the Mediawiki IPInfo Extension to the fixed versions 1.39.13, 1.42.7, or 1.43.2 or later, as applicable. In the absence of immediate patching, administrators should consider disabling the IPInfo Extension temporarily to eliminate the attack surface. Implementing Content Security Policy (CSP) headers can help mitigate the impact of XSS by restricting the execution of unauthorized scripts. Input validation and output encoding should be reviewed and enhanced within the extension's codebase if custom modifications exist. Regular security audits and penetration testing focused on web application vulnerabilities, including XSS, are recommended. Monitoring web server logs for unusual requests or script injection attempts can provide early detection of exploitation attempts. User education about the risks of clicking unknown links and reporting suspicious activity can reduce the likelihood of successful social engineering exploitation. Finally, organizations should maintain an up-to-date inventory of Mediawiki instances and extensions to ensure timely application of security updates.

Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - IPInfo Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - IPInfo Extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

References

Community reviews

Loading reviews…