Information disclosure in Mediawiki

CVE-2012-4382

MediaWiki before 1.18.5, and 1.19.x before 1.19.2 does not properly protect user block metadata, which allows remote administrators to read a user block reason via a reblock attempt.

Vulnerability class: Information Disclosure

EPSS: 0.012 (65.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N.

Affected products

  • Mediawiki — versions 1.19.0, 1.19.1
  • N/a — versions n/a

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2012-4382?
CVE-2012-4382 is a medium-severity vulnerability in Mediawiki, classified under Information Disclosure. CVSS score: 4.9/10. Published 2017-10-19.
How severe is CVE-2012-4382?
Medium severity. CVSS v3 base score is 4.9 out of 10.