Explore

Latest Releases
Registries
Security Advisories
CollectionsPreview

Theme

Contact© 2026 Release Alert

Security Advisories

CVEs affecting projects tracked on Release Alert, from NVD & OSV.

© 2026 Release Alert

Privacy Policy
Terms of Service
Contact

CVE-2023-37255 — MEDIUM severity vulnerability | Release Alert

CVE-2023-37255

6.1

MEDIUMCVSS v3

Published

June 29, 2023

Affected

5 projects

Assigned by

MITRE

Severity scale

010

Description

An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In Special:CheckUser, a check of the "get edits" type is vulnerable to HTML injection through the User-Agent HTTP request header.

wikimedia/mediawiki

GitHub🌻 The collaborative editing software that runs Wikipedia. Mirror from https://gerrit.wikimedia.org/g/mediawiki/core. See https://mediawiki.org/wiki/Developer_access for contributing.

<= 1.39.3NVD

bitnami/mediawiki

Docker Hub🛑 DEPRECATED Bitnami Docker Image for MediaWiki

<= 1.39.3NVD

More on this CVE

NVD↗GitHub Advisory↗

NPMA JavaScript framework for the MediaWiki API.

<= 1.39.3NVD

Python Package IndexMediaWiki Syntax to HTML

<= 1.39.3NVD

Crates.ioA MediaWiki client library

<= 1.39.3NVD