high7.3
CVE-2023-3550
Mediawiki v1.40.0 does not validate namespaces used in XML files.
Impact
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.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Mediawiki | Mediawiki | Version 1.40.0 |
| Debian | Debian Linux | Versions 10.0, 11.0 |
Weakness classification
References
- NVD record
- CVE.org record
- 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/