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Wikimedia Foundation MediaWiki and Cite CoreParserFunctions Vulnerability

Vulnerability

A vulnerability exists in Wikimedia Foundation MediaWiki and the Cite extension, specifically in versions prior to MediaWiki 1.39.14, as well as MediaWiki 1.43.4 and 1.44.1. The issue is related to core parser functions, particularly in the files 'CoreParserFunctions.php' and 'Sanitizer.php'.

Impact

Exploitation of this vulnerability could lead to issues related to the core parsing functions, potentially allowing for improper handling or sanitization of data.

Added: Feb 3, 2026, 2:21 AM
Updated: Feb 3, 2026, 2:21 AM

Vulnerability Rating

Custom Algorithm
spread
6.4
impact
0.0
exploitability
7.6
remediation
0.0
relevance
2.7
threat
0.0
urgency
2.9
incentive
4.2

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.