MediaWiki FeaturedFeeds Extension XSS (1.39-1.42-1.43)
CVE-2025-53502 Published on July 3, 2025

HTML injection in FeaturedFeeds
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.

NVD

Vulnerability Analysis

CVE-2025-53502 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.

Attack Vector:
NETWORK
Attack Complexity:
LOW
Privileges Required:
NONE
User Interaction:
NONE
Scope:
UNCHANGED
Confidentiality Impact:
LOW
Integrity Impact:
LOW
Availability Impact:
NONE

Weakness Type

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.


Products Associated with CVE-2025-53502

Want to know whenever a new CVE is published for MediaWiki? stack.watch will email you.

MediaWiki
 

Affected Versions

Wikimedia Foundation Mediawiki - FeaturedFeeds Extension:

Exploit Probability

EPSS
0.06%
Percentile
17.73%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.