CVE-2019-12472

HighCVSS 7.5/10Last modified Jun 17, 2026

Description

An Incorrect Access Control vulnerability was found in Wikimedia MediaWiki 1.18.0 through 1.32.1. It is possible to bypass the limits on IP range blocks ($wgBlockCIDRLimit) by using the API. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.

Metrics

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

References

https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.htmlPatch, Third Party Advisory
https://phabricator.wikimedia.org/T199540Issue Tracking, Third Party Advisory
https://lists.wikimedia.org/pipermail/wikitech-l/2019-June/092152.htmlPatch, Third Party Advisory
https://phabricator.wikimedia.org/T199540Issue Tracking, Third Party Advisory

Timeline

Published: Jul 10, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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