CVE-2025-53500

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - MassEditRegex Extension allows Stored XSS.This issue affects Mediawiki - MassEditRegex Extension: from 1.39.X before 1.39.12, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

CVSS v3 5.6 MEDIUM

5.6^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.2 / Impact : 3.4

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References

Link	Resource
https://gerrit.wikimedia.org/r/c/mediawiki/extensions/MassEditRegex/+/1163878/	Patch
https://phabricator.wikimedia.org/T397334	Issue Tracking Patch Exploit

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:malvineous:masseditregex:-:*:*:*:*:mediawiki:*:*

OR	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::
	cpe:2.3:a:mediawiki:mediawiki::::::::

History

30 Sep 2025, 20:26

Type	Values Removed	Values Added
First Time		Malvineous Malvineous masseditregex Mediawiki mediawiki Mediawiki
References	~~() https://gerrit.wikimedia.org/r/c/mediawiki/extensions/MassEditRegex/+/1163878/ -~~	() https://gerrit.wikimedia.org/r/c/mediawiki/extensions/MassEditRegex/+/1163878/ - Patch
References	~~() https://phabricator.wikimedia.org/T397334 -~~	() https://phabricator.wikimedia.org/T397334 - Issue Tracking, Patch, Exploit
CPE		cpe:2.3:a:malvineous:masseditregex:-:::::mediawiki:: cpe:2.3:a:mediawiki:mediawiki::::::::

08 Jul 2025, 16:19

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-07-03 17:15

Updated : 2025-09-30 20:26

NVD link : CVE-2025-53500

Mitre link : CVE-2025-53500

CVE.ORG link : CVE-2025-53500

JSON object : View

Products Affected

mediawiki

mediawiki

malvineous

masseditregex

CWE

CWE-79

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

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