Description
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - GlobalWatchlist Extension allows Cross-Site Scripting (XSS).This issue affects non release branches.
Published: 2026-04-07
Score: 10 Critical
EPSS: n/a
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

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History

Tue, 07 Apr 2026 22:15:00 +0000

Type Values Removed Values Added
Description Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - GlobalWatchlist Extension allows Cross-Site Scripting (XSS).This issue affects non release branches.
Title Multiple XSS vulnerabilities in GlobalWatchlist
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 10, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:H/SI:H/SA:H'}

Subscriptions

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cve-icon MITRE

Status: PUBLISHED

Assigner: wikimedia-foundation

Published:

Updated: 2026-04-07T21:51:55.476Z

Reserved: 2026-04-07T21:25:36.589Z

Link: CVE-2026-39933

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-04-07T22:16:23.980

Modified: 2026-04-07T22:16:23.980

Link: CVE-2026-39933

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses