Vulnerability Details CVE-2023-3550
Mediawiki v1.40.0 does not validate namespaces used in XML files.
Therefore, if the instance administrator allows XML file uploads,
a remote attacker with a low-privileged user account can use this
exploit to become an administrator by sending a malicious link to
the instance administrator.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.001
EPSS Ranking 29.8%
CVSS Severity
CVSS v3 Score 7.3
References
- https://fluidattacks.com/advisories/blondie/
- https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
- https://www.debian.org/security/2023/dsa-5520
- https://www.mediawiki.org/wiki/MediaWiki/
- https://fluidattacks.com/advisories/blondie/
- https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
- https://www.debian.org/security/2023/dsa-5520
- https://www.mediawiki.org/wiki/MediaWiki/
Products affected by CVE-2023-3550
-
cpe:2.3:a:mediawiki:mediawiki:1.40.0
-
cpe:2.3:o:debian:debian_linux:10.0
-
cpe:2.3:o:debian:debian_linux:11.0