← All advisories

Medium severity5.3NVD Advisory· Published Sep 26, 2019· Updated Jun 17, 2026

CVE-2019-16738

CVE-2019-16738

Description

In MediaWiki through 1.33.0, Special:Redirect allows information disclosure of suppressed usernames via a User ID Lookup.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected packages

Versions sourced from the GitHub Security Advisory.

Package	Affected versions	Patched versions
mediawiki/corePackagist	>= 1.31.0, < 1.31.4	1.31.4
mediawiki/corePackagist	>= 1.32.0, < 1.32.4	1.32.4
mediawiki/corePackagist	>= 1.33.0, < 1.33.1	1.33.1

Affected products

6

MediaWiki/Mediawiki
cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*
Range: >=1.31.0,<1.31.4
Debian/linux2 versions
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Fedoraproject/Fedora2 versions
cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
ghsa-coords
pkg:composer/mediawiki/core
Range: >= 1.31.0, < 1.31.4

Patches

Vulnerability mechanics

References

12

phabricator.wikimedia.org/T230402nvdExploitIssue TrackingPatchThird Party AdvisoryWEB
github.com/advisories/GHSA-7hwr-f745-5rwqghsaADVISORY
nvd.nist.gov/vuln/detail/CVE-2019-16738ghsaADVISORY
seclists.org/bugtraq/2019/Oct/32nvdMailing ListThird Party AdvisoryWEB
www.debian.org/security/2019/dsa-4545nvdThird Party AdvisoryWEB
github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-16738.yamlghsaWEB
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7OMG3BMUHGWTAPYTK2NXM6CXF6FYLOUOghsaWEB
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7OMG3BMUHGWTAPYTK2NXM6CXF6FYLOUO/nvdBroken Link
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QBAOLXETM5BOYQG6OQVHGB2LNLZUXVN6ghsaWEB
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QBAOLXETM5BOYQG6OQVHGB2LNLZUXVN6/nvdBroken Link
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7OMG3BMUHGWTAPYTK2NXM6CXF6FYLOUOghsaWEB
lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QBAOLXETM5BOYQG6OQVHGB2LNLZUXVN6ghsaWEB

News mentions

0

No linked articles in our index yet.