CVE-2019-19709

MEDIUM

MediaWiki < 1.33.1 - Open Redirect via Title Blacklist Bypass

Title source: llm
STIX 2.1

Description

MediaWiki through 1.33.1 allows attackers to bypass the Title_blacklist protection mechanism by starting with an arbitrary title, establishing a non-resolvable redirect for the associated page, and using redirect=1 in the action API when editing that page.

References (4)

Core 4
Core References
Exploit, Vendor Advisory x_refsource_misc
https://phabricator.wikimedia.org/T239466
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2019/dsa-4592
Mailing List, Third Party Advisory mailing-list x_refsource_bugtraq
https://seclists.org/bugtraq/2019/Dec/48

Scores

CVSS v3 6.1
EPSS 0.0032
EPSS Percentile 54.6%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-601
Status published
Products (4)
debian/debian_linux 9.0
debian/debian_linux 10.0
mediawiki/core 1.31.0 - 1.31.6Packagist
mediawiki/mediawiki < 1.33.1
Published Dec 11, 2019
Tracked Since Feb 18, 2026