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Fencer Vulns
medium 6.5

CVE-2019-12469 json

MediaWiki Incorrect Access Control vulnerability

published 2019-07-10 7 y ago modified 2026-06-17 4 mo ago also GHSA-x3fr-w7r5-x7rg , EUVD-2022-5698

cvss
6.5
version 3.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.3%
EPSS 1.3% chance of exploitation in 30 days, percentile 71%
public exploits
0
none known

Summary

MediaWiki through 1.32.1 has Incorrect Access Control. Suppressed username or log in Special:EditTags are exposed. Fixed in 1.32.2, 1.31.2, 1.30.2 and 1.27.6.

Patch / fix

  • packagist mediawiki/core 1.27.6, 1.30.2, 1.31.2, 1.32.2
  • mediawiki mediawiki 1.27.6, 1.30.2, 1.31.2, 1.32.2
  • mediawiki Debian 14, Debian 13, Debian 12 1:1.31.2-1

debian advisories DEBIAN-CVE-2019-12469

Exploit prediction

1.35% chance of exploitation in the next 30 days, higher than 71% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
NVD 2.0 4.0 AV:N/AC:L/Au:S/C:P/I:N/A:N
GitHub 3.0 6.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
packagist mediawiki/core
>=1.27.0, <1.27.6
>=1.30.0, <1.30.2
>=1.31.0, <1.31.2
>=1.32.0, <1.32.2
1.27.6
1.30.2
1.31.2
1.32.2

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.