CVE-2022-28209

CRITICALNVD 9.89.8—

9.8

An issue was discovered in Mediawiki through 1.37.1. The check for the override-antispoof permission in the AntiSpoof extension is incorrect.

CVSS v3: 9.8
EG Score: 9.8(medium)
EPSS: 64.8%
KEV: Not listed

Published

March 30, 2022

Last Modified

November 21, 2024

Advisory Details (3)

Auto-updated May 26, 2026

No patch confirmed yet.

generic

MediaWiki: Multiple Vulnerabilities (GLSA 202305-24) — Gentoo security

https://security.gentoo.org/glsa/202305-24

generic

⚓ T304126 One of the checks for 'override-antispoof' permission is inverted (CVE-2022-28209)

https://phabricator.wikimedia.org/T304126

generic

https://gerrit.wikimedia.org/r/q/Id8c4e2e336695ce70ccdf8a51ad729bf4a99f8f7

Data Freshness Timeline

(refreshed 13× in last 7d / 20× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

2026-06-08 14:15 UTCEPSS rescore
2026-06-08 14:15 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-06 13:46 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-05 06:09 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-04 13:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:15 UTCEPSS rescore

Frequently asked(5)

What is CVE-2022-28209?

CVE-2022-28209 is a critical vulnerability published on March 30, 2022. An issue was discovered in Mediawiki through 1.37.1. The check for the override-antispoof permission in the AntiSpoof extension is incorrect.

When was CVE-2022-28209 disclosed?

CVE-2022-28209 was first published in the National Vulnerability Database on March 30, 2022, with the most recent update on November 21, 2024. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2022-28209 actively exploited?

CVE-2022-28209 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 64.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2022-28209?

CVE-2022-28209 has a CVSS v3 base score of 9.8 (NVD).

How do I remediate CVE-2022-28209?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2022-28209, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

See which npm, PyPI, Go, and Maven packages are affected by CVE-2022-28209

Explore →

Is Your Infrastructure Affected by CVE-2022-28209?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs

CVE-2022-28209

📅 Published

🔄 Last Modified

📋 Advisory Details (3)

MediaWiki: Multiple Vulnerabilities (GLSA 202305-24) — Gentoo security

⚓ T304126 One of the checks for 'override-antispoof' permission is inverted (CVE-2022-28209)

Data Freshness Timeline

❓ Frequently asked(5)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2022-28209?

Published

Last Modified

Advisory Details (3)

Frequently asked(5)