AUGUST 4, 2026
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Case File

CVE-2021-44857

MEDIUM · CVSS 6.5 EPSS 0.87%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-12-17 · Last synced 2026-08-04

CyberRota Analysis

AI analysis pending.

CVE
CVE-2021-44857
Severity
MEDIUM
CVSS
6.5
EPSS
0.87%

Original NVD Description

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. It is possible to use action=mcrundo followed by action=mcrrestore to replace the content of any arbitrary page (that the user doesn't have edit rights for). This applies to any public wiki, or a private wiki that has at least one page set in $wgWhitelistRead.