PT-2019-15742 · Mediawiki · Mediawiki Abusefilter Extension

Suffusion_Of_Yellow · Published 2019-11-15 · Updated 2019-11-22 · CVE-2019-18987

Positive Technologies (AI Summary)

CVSS v3.1

5.3

Medium

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions MediaWiki AbuseFilter extension versions through 1.34

Description An issue in the AbuseFilter extension can expose previous versions of a specific abuse filter once it has been made public, potentially disclosing private or sensitive information within the filter's definition.

Recommendations For versions through 1.34, consider restricting access to abuse filter definitions to minimize the risk of sensitive information disclosure until a fix is available.

Fix

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

CVE-2019-18987

Affected Products

Mediawiki Abusefilter Extension

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2019-18987 · Security Note
• https://gerrit.wikimedia.org/r/q/Ic12790bd33982473f77551bde9599ed083a3e1f1 · Patch
• https://mediawiki.org/wiki/Extension:AbuseFilter · Vendor Advisory
• https://phabricator.wikimedia.org/T237887 · Patch
• https://osv.dev/vulnerability/CVE-2019-18987 · Vendor Advisory