AUGUST 4, 2026
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Case File

CVE-2021-31547

MEDIUM · CVSS 4.3 EPSS 0.87%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-04-22 · Last synced 2026-08-04

CyberRota Analysis

This is a medium severity vulnerability with a CVSS score of 4.3. See the original NVD description below for full technical details.

CVE
CVE-2021-31547
Severity
MEDIUM
CVSS
4.3
EPSS
0.87%

Original NVD Description

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. Its AbuseFilterCheckMatch API reveals suppressed edits and usernames to unprivileged users through the iteration of crafted AbuseFilter rules.

Related CVEs

Other vulnerabilities affecting the same vendor(s)