CVE-2025-61655: Mediawiki Visual Editor

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation VisualEditor. This vulnerability is associated with program files includes/ApiVisualEditorEdit.Php, modules/ve-mw/init/targets/ve.Init.Mw.DesktopArticleTarget.Js, modules/ve-mw/ui/dialogs/ve.Ui.MWSaveDialog.Js. This issue affects VisualEditor: from * before 1.39.14, 1.43.4, 1.44.1.

Affected products

• Mediawiki Visual Editor: from 1.39.0, before 1.39.14 (fixed in 1.39.14); from 1.43.0, before 1.43.4 (fixed in 1.43.4); version 1.44.0 only

Published 2026-02-03. Last modified 2026-06-17.