CVE-2025-61655: Stored XSS through system messages in VisualEditor

Description

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.

CVSS vector

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

Attack vector

Network

Complexity

Low

Privileges

None

User interaction

Required

Confidentiality

Low

Integrity

Low

Availability

None

Scope

Changed

Exploitation

Is it being used?

Exploit prediction (EPSS)0.2% · higher than 7% of CVEs

Exploited in the wildNo evidence yet

CISA KEVNot listed

Ransomware campaign useNot known

Affected products

Which versions

VI

VisualEditor · Wikimedia Foundation

before 1.39.14, 1.43.4, 1.44.1 · source: vendor

VE

Visual Editor · Mediawiki

1.39.0 before 1.39.14; 1.43.0 before 1.43.4; 1.44.0 · source: NVD