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.
References
| Link | Resource |
|---|---|
| https://fluidattacks.com/advisories/blondie/ | Exploit Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/ | |
| https://www.debian.org/security/2023/dsa-5520 | Third Party Advisory |
| https://www.mediawiki.org/wiki/MediaWiki/ | Product |
| https://fluidattacks.com/advisories/blondie/ | Exploit Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/ | |
| https://www.debian.org/security/2023/dsa-5520 | Third Party Advisory |
| https://www.mediawiki.org/wiki/MediaWiki/ | Product |
Configurations
History
13 Feb 2025, 17:16
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | (en) 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. |
Information
Published : 2023-09-25 16:15
Updated : 2025-02-13 17:16
NVD link : CVE-2023-3550
Mitre link : CVE-2023-3550
CVE.ORG link : CVE-2023-3550
JSON object : View
Products Affected
mediawiki
- mediawiki
debian
- debian_linux
CWE
CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')