Improper Privilege Management Affecting mediawiki package, versions <1:1.31.1-1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-ECHOLATEST-MEDIAWIKI-20414264
- published3 Oct 2026
- disclosed4 Oct 2018
Introduced: 4 Oct 2018
CVE-2018-0503 (opens in a new tab)How to fix?
Upgrade Echo:latest mediawiki to version 1:1.31.1-1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mediawiki package and not the mediawiki package as distributed by Echo.
See How to fix? for Echo:latest relevant fixed versions and status.
Mediawiki 1.31 before 1.31.1, 1.30.1, 1.29.3 and 1.27.5 contains a flaw where contrary to the documentation, $wgRateLimits entry for 'user' overrides that for 'newbie'.
References
- https://advisory.echohq.com/cve/CVE-2018-0503
- http://www.securitytracker.com/id/1041695
- https://access.redhat.com/errata/RHSA-2019:3142
- https://access.redhat.com/errata/RHSA-2019:3238
- https://access.redhat.com/errata/RHSA-2019:3813
- https://lists.wikimedia.org/pipermail/wikitech-l/2018-September/090849.html
- https://phabricator.wikimedia.org/T169545
- https://www.debian.org/security/2018/dsa-4301