CVE-2023-51704

Name: CVE-2023-51704
Creator: NVD / NIST
Published: 2023-12-22T02:15:42.957+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.68%

Last modified Jun 17, 2026

CVE-2023-51704 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. An issue was discovered in MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2. In includes/logging/RightsLogFormatter.php, group-*-member messages can result in XSS on Special:log/rights.. EPSS estimates a 0.68% chance of exploitation in the next 30 days.

Description

An issue was discovered in MediaWiki before 1.35.14, 1.36.x through 1.39.x before 1.39.6, and 1.40.x before 1.40.2. In includes/logging/RightsLogFormatter.php, group-*-member messages can result in XSS on Special:log/rights.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.68%

47.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Mediawiki	Mediawiki	< 1.35.14
Mediawiki	Mediawiki	>= 1.36.0, < 1.39.6
Mediawiki	Mediawiki	>= 1.40.0, < 1.40.2

References

Timeline

Published: Dec 22, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-51704?

How severe is CVE-2023-51704?

CVE-2023-51704 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.68% probability of exploitation in the next 30 days.

How do I fix CVE-2023-51704?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-51704?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST