CVE-2026-0668: Wikisphere Visualdata

Medium severity, CVSS 5.3. EPSS: 0.5% chance of exploitation in the next 30 days.

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: affected versions not specified

Published 2026-01-07. Last modified 2026-06-17.