CVE-2026-0668

5.3 MEDIUM
Published: January 07, 2026 Modified: February 24, 2026
View on NVD

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.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://gerrit.wikimedia.org/r/q/I4ff2737c9f0ba805267d1fc8296e7cff61241ee3
Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Patch
https://gerrit.wikimedia.org/r/q/I893a9fca694a2613e29e149dea2d76d7f06063e5
Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Patch
https://gerrit.wikimedia.org/r/q/Ie08d9a8ceb2c9a22a635cfc27964353f14072dbf
Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Patch
https://gerrit.wikimedia.org/r/q/Ifbf9c2ade621226e14fe852f3217293772bf8bb8
Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Patch
https://phabricator.wikimedia.org/T387008
Source: c4f26cc8-17ff-4c99-b5e2-38fc1793eacc
Exploit Issue Tracking

5 reference(s) from NVD

Quick Stats

CVSS v3 Score
5.3 / 10.0
EPSS (Exploit Probability)
0.1%
22th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-1333

Affected Vendors

mediawiki wikisphere

Related CVEs

CVE-2026-4680 8.8
CVE-2026-4679 N/A
CVE-2026-4678 N/A
CVE-2026-4677 N/A
CVE-2026-4676 N/A