CVE-2021-30155

PoC —

CVSS 3.1

4.3 medium

EPSS

1%p67

Published

Apr 9, 2021 (Apr 9, 2021)

Modified

Jun 17, 2026

Description

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. ContentModelChange does not check if a user has correct permissions to create and set the content model of a nonexistent page.

Vendors: mediawiki debian fedoraproject
Products: mediawiki, debian linux, fedora
Weakness: CWE-862
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (1.2%)

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