BaseFortify

Publication date: 2026-01-07

Last updated on: 2026-02-24

Assigner: wikimedia-foundation

Description

Inefficient Regular Expression Complexity vulnerability in Wikimedia Foundation MediaWiki - VisualData Extension allows Regular Expression Exponential Blowup.This issue affects MediaWiki - VisualData Extension: 1.45.

CVSS Scores

EPSS Scores

Probability:
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Meta Information

Published

2026-01-07

Last Modified

2026-02-24

Generated

2026-07-06

AI Q&A

2026-01-07

EPSS Evaluated

2026-07-04

NVD

CVE-2026-0668

EUVD

EUVD-2026-1176

Affected Vendors & Products

Vendor	Product	Version / Range
wikisphere	visualdata	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-1333	The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles.

Attack-Flow Graph

Executive Summary

This vulnerability is an Inefficient Regular Expression Complexity issue in the Wikimedia Foundation MediaWiki - VisualData Extension. It allows a Regular Expression Exponential Blowup, meaning that certain regular expressions used in the extension can cause excessive processing time or resource consumption when handling specific inputs.

Impact Analysis

The vulnerability can lead to performance degradation or denial of service by causing the system to consume excessive resources when processing crafted inputs that trigger the exponential blowup in regular expression evaluation.

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