CVE-2023-45360

mediawiki: XSS in youhavenewmessagesmanyusers and youhavenewmessages i18n messages

Published Nov 3, 2023 CVSS 3.1 · 5.4 Medium EPSS < 1% KEV · Not listed
Description
An issue was discovered in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. There is XSS in youhavenewmessagesmanyusers and youhavenewmessages i18n messages. This is related to MediaWiki:Youhavenewmessagesfromusers.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DSA Debian DSA DSA-5520-1 mediawiki security update
EUVD EUVD EUVD-2023-49653 An issue was discovered in MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. There is XSS in youhavenewmessagesmanyusers and youhavenewmessages i18n messages. This is related to MediaWiki:Youhavenewmessagesfromusers.
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
mitre
Published
Updated
Nov 4, 2025, 5:12 PM
Reserved
Oct 9, 2023, 12:00 AM
Status
Modified
Published
Nov 3, 2023, 5:15 AM
Modified
Jun 17, 2026, 6:28 AM
Severity
Moderate
Public date
Oct 12, 2023, 12:00 AM