CVE-2026-0668CWE-1333

VisualData extension: Regular Expression Denial of Service (ReDoS) via crafted user input

Medium · published January 7, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
40.2
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00478 · 40.2th percentile
Weakness
CWE-1333 · Inefficient Regular Expression Complexity
Published
2026-01-07T17:36Z
EPSS history
Timeline
  • 07 JAN 17:36Z
    VisualData extension: Regular Expression Denial of Service (ReDoS) via crafted user input
    cvelistv5