CVE-2025-53502

MEDIUM EPSS 10.8%

Published Jul 3, 202512mo ago · Modified Jun 17, 20262w ago

6.5 CVSS 3.1

Medium

Published Jul 3, 2025 12mo ago

Last Modified Jun 17, 2026 2w ago

Description

Improper Input Validation vulnerability in Wikimedia Foundation Mediawiki - FeaturedFeeds Extension allows Cross-Site Scripting (XSS).This issue affects Mediawiki - FeaturedFeeds Extension: 1.39.X, 1.42.X, 1.43.X.

CVSS Details

Base Score

6.5

Exploitability

3.9

Impact

2.5

Vector string

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

Threat Intelligence

EPSS Exploit Probability

10.8% percentile

Exploit & Patch Status

No Known Exploit

No Patch Available

Weaknesses 1

CWE-20 Improper Input Validation Validation

References 2

gerrit.wikimedia.org https://gerrit.wikimedia.org/r/c/mediawiki/extensions/FeaturedFeeds/+/1149742
phabricator.wikimedia.org https://phabricator.wikimedia.org/T392279

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.