🛡️ CVE-2025-61643 — mediawiki

🟡 CVSS 6.1 — Medium ✅ No Known Exploit CWE-212 NVD

6.1

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

Vulnerability in Wikimedia Foundation MediaWiki. This vulnerability is associated with program files includes/recentchanges/RecentChangeRCFeedNotifier.Php.

This issue affects MediaWiki: from * before 1.39.14, 1.43.4, 1.44.1.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is changed, meaning a successful attack can affect components beyond the vulnerable one. Rated impact: confidentiality low, integrity low, availability none.

Weakness class

CVE-2025-61643 is classified as CWE-212: Improper Removal of Sensitive Information. Data is passed on without stripping sensitive fields that the recipient should not receive.

Affected software

CVE-2025-61643 is recorded against 1 package.

mediawiki

Timeline and source

Published on 3 February 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. Record sourced from NVD.

References

phabricator.wikimedia.org

CVE-2025-61643 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Debian Ubuntu

Details

Severity MEDIUM

CVSS Score 6.1

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

CWE CWE-212

Public Exploit ✅ No

Source NVD

Published 2026-02-03

Updated 2026-08-11

Modified 2026-06-17

Fix URL N/A

Affected Packages

Software	From version	Fixed in
mediawiki	—	—

References

Permissions Required https://phabricator.wikimedia.org/T403757

🔗 NVD 🔗 Mitre

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