CVE-2025-53497

Stored XSS in RelatedArticles

5.4 Medium

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

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

0.20%Up 0.2 points since Jul 8, 2025

What each source reports

CVE List Score used 5.4

Stored XSS in RelatedArticles

Record: CVE-2025-53497
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-20266 5.4

Record: EUVD-2025-20266
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-gjr3-f862-499f 5.4

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')...

Record: GHSA-gjr3-f862-499f
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

NVD 5.4

Record: CVE-2025-53497
CVSS 3.1: 5.4 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

wikimedia foundation mediawiki - relatedarticles extension

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-53497 is a medium vulnerability (CVSS 5.4) in Wikimedia Foundation Mediawiki - Relatedarticles Extension, published July 7, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.20%, the 10th percentile. No source names a fixed version.