ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2025-53496

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - MediaSearch Extension allows Stored XS

Published Jul 7, 2025 · catalog updated Jul 31, 2025 · Wikimedia Foundation Mediawiki - MediaSearch Extension

Last checked Nov 7, 2026. A connected source was read within the last 7 days.

Check if you run it

No confirmed exploitation is on record for CVE-2025-53496. EPSS is 0.20%. Act only if a listed version of Wikimedia Foundation Mediawiki - MediaSearch Extension is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium5.4
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.20%
Remediation
Version ranges on file
Affected products
vendor Wikimedia Foundation Mediawiki - MediaSearch Extension 1.42.x <1.42.7

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

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Wikimedia Foundation Mediawiki - MediaSearch Extension 1.42.x <1.42.71.42.x <1.42.7

How to fix CVE-2025-53496

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-53496. EPSS is 0.20%. Act only if a listed version of Wikimedia Foundation Mediawiki - MediaSearch Extension is installed.

Which versions are affected?

Compare what you have installed with Wikimedia Foundation Mediawiki - MediaSearch Extension 1.42.x <1.42.7 1.42.x <1.42.7. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.20%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 7, 2025 · EUVD

    Detected

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

  2. Jul 31, 2025 · EUVD

    Updated

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

Sources

  • CVE.orgVulnerability recordCVE-2025-53496

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-53496

    30-day exploitation probability 0.20%

    first.org
  • EUVDVulnerability recordEUVD-2025-20308

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

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Nov 7, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.

  • FIRST EPSSOct 23, 2026
  • CVE.orgOct 21, 2026
  • EUVDOct 19, 2026