CVE-2025-7362

MEDIUM

MediaWiki MsUpload <1.39.13-1.42.7-1.43.2 - XSS

Title source: llm

Description

The MsUpload extension for MediaWiki is vulnerable to stored XSS via the msu-continue system message, which is inserted into the DOM without proper sanitization. The vulnerability occurs in the file upload UI when the same filename is uploaded twice. This issue affects Mediawiki - MsUpload 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.

References (2)

Core 2

Core References

Issue Tracking

https://phabricator.wikimedia.org/T394864

Various Sources

https://gerrit.wikimedia.org/r/q/Icf4c0a5a936926ea887ca2e48c3a7bd297201d9f

Scores

CVSS v3 5.4

EPSS 0.0017

EPSS Percentile 6.7%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-79

Status published

Products (3)

Wikimedia Foundation/Mediawiki - MsUpload extension 1.39.x - 1.39.13

Wikimedia Foundation/Mediawiki - MsUpload extension 1.42.x - 1.42.7

Wikimedia Foundation/Mediawiki - MsUpload extension 1.43.x - 1.43.2

Published Jul 08, 2025

Tracked Since Feb 18, 2026