CVE-2025-53490

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - CampaignEvents Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - CampaignEvents Extension: 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/CampaignEvents/+/1165949	Patch
https://phabricator.wikimedia.org/T395622	Issue Tracking Patch

Configurations

Configuration 1 (hide)

AND

cpe:2.3:a:jly:campaignevents:-:*:*:*:*:mediawiki:*:*

cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*

History

01 Oct 2025, 13:19

Type	Values Removed	Values Added
First Time		Jly Jly campaignevents Mediawiki mediawiki Mediawiki
References	~~() https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CampaignEvents/+/1165949 -~~	() https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CampaignEvents/+/1165949 - Patch
References	~~() https://phabricator.wikimedia.org/T395622 -~~	() https://phabricator.wikimedia.org/T395622 - Issue Tracking, Patch
CPE		cpe:2.3:a:jly:campaignevents:-:::::mediawiki:: cpe:2.3:a:mediawiki:mediawiki::::::::

08 Jul 2025, 16:19

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-07-03 16:15

Updated : 2025-10-01 13:19

NVD link : CVE-2025-53490

Mitre link : CVE-2025-53490

CVE.ORG link : CVE-2025-53490

JSON object : View

Products Affected

mediawiki

mediawiki

jly

campaignevents

CWE

CWE-79

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

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