CVE-2019-16529

MEDIUMNVD 5.35.3—

5.3

An issue was discovered in the CheckUser extension through 1.35.0 for MediaWiki. Oversighted edit summaries are still visible in CheckUser results in violation of MediaWiki's permissions model.

CVSS v3: 5.3
EG Score: 5.3(medium)
EPSS: 39.3%
KEV: Not listed

Published

March 19, 2020

Last Modified

November 21, 2024

References (4)

cve@mitrehttps://phabricator.wikimedia.org/T207094
cve@mitrehttps://phabricator.wikimedia.org/rECHU22ddd638ba79903361df88c755232a532cbdbfb3
af854a3a-2127-422b-91ae-364da2661108https://phabricator.wikimedia.org/T207094
af854a3a-2127-422b-91ae-364da2661108https://phabricator.wikimedia.org/rECHU22ddd638ba79903361df88c755232a532cbdbfb3

Data Freshness Timeline

(refreshed 11× 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
2026-06-07 15:23 UTCEPSS rescore
2026-06-07 15:23 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-06 13:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 22:45 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-05 06:08 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-04 13:10 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-02 20:11 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-06-01 13:50 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 22:29 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-31 00:14 UTCEPSS rescore
2026-05-29 13:42 UTCEPSS rescore

Frequently asked(5)

What is CVE-2019-16529?

CVE-2019-16529 is a medium vulnerability published on March 19, 2020. An issue was discovered in the CheckUser extension through 1.35.0 for MediaWiki. Oversighted edit summaries are still visible in CheckUser results in violation of MediaWiki's permissions model.

When was CVE-2019-16529 disclosed?

CVE-2019-16529 was first published in the National Vulnerability Database on March 19, 2020, 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-2019-16529 actively exploited?

CVE-2019-16529 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 39.3% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

What is the CVSS score of CVE-2019-16529?

CVE-2019-16529 has a CVSS v3 base score of 5.3 (NVD).

How do I remediate CVE-2019-16529?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2019-16529, 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

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CVE-2019-16529

📅 Published

🔄 Last Modified

🔗 References (4)