CVE-2025-53494 — MEDIUM (6.5)

Q: How severe is CVE-2025-53494?

CVE-2025-53494 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Q: Is there a patch for CVE-2025-53494?

Check the references section above for vendor advisories and patch information. Affected products include: Wmde-Fisch Twocolconflict, Mediawiki Mediawiki.

Vulnerability Description

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - TwoColConflict Extension allows Stored XSS.This issue affects Mediawiki - TwoColConflict 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.

CVSS Score

6.5

MEDIUM

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Wmde-Fisch	Twocolconflict	< 2025-05-26
Mediawiki	Mediawiki	>= 1.39.0, < 1.39.13

Related Weaknesses (CWE)

CWE-79

References

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/TwoColConflict/+/1150011Patch
https://phabricator.wikimedia.org/T394938ExploitIssue Tracking

FAQ

What is CVE-2025-53494?

CVE-2025-53494 is a vulnerability with a CVSS score of 6.5 (MEDIUM). Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - TwoColConflict Extension allows Stored XSS.This issue affe...

How severe is CVE-2025-53494?

CVE-2025-53494 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-53494?

Check the references section above for vendor advisories and patch information. Affected products include: Wmde-Fisch Twocolconflict, Mediawiki Mediawiki.