CVE-2023-3550
Description
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.
CWE
- CWE-79 — CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Affected
- MediaWiki / MediaWiki — v=1.40.0 [affected]
CVSS
- 3.1 score=7.3 severity=HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N
References
- https://fluidattacks.com/advisories/blondie/
- https://www.mediawiki.org/wiki/MediaWiki/
- https://www.debian.org/security/2023/dsa-5520
- https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html
- https://lists.fedoraproject.org/archives/list/[email protected]/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
Source
cvelistV5-main/cves/2023/3xxx/CVE-2023-3550.json