CVE-2023-3550
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2023-3550
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-3550.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2023-3550
- Aliases
- Downstream
- Related
- Published
- 2023-09-25T16:15:14Z
- Modified
- 2025-10-16T09:57:02.563567Z
- Severity
-
- 7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N CVSS Calculator
- Summary
- [none]
- Details
-
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
-
- https://fluidattacks.com/advisories/blondie/
- https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html
- https://www.debian.org/security/2023/dsa-5520
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/
- https://www.mediawiki.org/wiki/MediaWiki/