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.
Affected products
wikisphere: visualdata; mediawiki: mediawiki
References5
- gerrit.wikimedia.org/r/q/I4ff2737c9f0ba805267d1fc8296e7cff61241… Patch
- gerrit.wikimedia.org/r/q/I893a9fca694a2613e29e149dea2d76d7f0606… Patch
- gerrit.wikimedia.org/r/q/Ie08d9a8ceb2c9a22a635cfc27964353f14072… Patch
- gerrit.wikimedia.org/r/q/Ifbf9c2ade621226e14fe852f3217293772bf8… Patch
- phabricator.wikimedia.org/T387008 ExploitIssue Tracking
Metrics
- CVSS 3.1
-
5.3
MEDIUM
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L - EPSS — exploit probability
- 0% percentile: 42 · as of 11 November 2026
- CWE
- CWE-1333
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.