CVE-2026-0668

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 3.1

5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS

0.5% chance of exploitation in the next 30 days; higher than 40% of CVEs (scores of 2026-10-26)

CWE

CWE-1333

Published

2026-01-07

Modified

2026-10-26

Record from

the NVD, synced 2026-10-26

Affected

• wikisphere:visualdata

References

• https://gerrit.wikimedia.org/r/q/I4ff2737c9f0ba805267d1fc8296e7cff61241ee3
• https://gerrit.wikimedia.org/r/q/I893a9fca694a2613e29e149dea2d76d7f06063e5
• https://gerrit.wikimedia.org/r/q/Ie08d9a8ceb2c9a22a635cfc27964353f14072dbf
• https://gerrit.wikimedia.org/r/q/Ifbf9c2ade621226e14fe852f3217293772bf8bb8
• https://phabricator.wikimedia.org/T387008

Check your stackJSON