Possible to circumvent title-blacklist
Moderate severity
GitHub Reviewed
Published
to the GitHub Advisory Database
•
Updated
Package
mediawiki/core
(Composer)
Affected versions
>= 1.31.0, < 1.31.6
>= 1.32.0, < 1.32.6
>= 1.33.0, < 1.33.2
>= 1.33.99, < 1.34.0
Patched versions
1.31.6
1.32.6
1.33.2
1.34.0
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
- https://nvd.nist.gov/vuln/detail/CVE-2019-19709
- https://gerrit.wikimedia.org/r/q/Ie54f366986056c876eade0fcad6c41f70b8b8de8
- https://phabricator.wikimedia.org/T239466
- https://seclists.org/bugtraq/2019/Dec/48
- https://www.debian.org/security/2019/dsa-4592
- https://github.com/FriendsOfPHP/security-advisories/blob/master/mediawiki/core/CVE-2019-19709.yaml
Published by the National Vulnerability Database
Published to the GitHub Advisory Database
Reviewed
Last updated
Severity
Moderate
/ 10
CVSS v3 base metrics
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
EPSS score
(72nd percentile)
Weaknesses
CVE ID
CVE-2019-19709
GHSA ID
GHSA-pjv5-vv93-p648
Source code
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