Stored XSS leads to privilege escalation in MediaWiki v1.40.0
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.
01
describes (1)
Related CVEs.
| ID | severity | exploitable | ||
|---|---|---|---|---|
| CVE-2023-3550US | — | — | ||
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 a… | ||||
02
references
External citations — patches, advisories, analysis.
- https://fluidattacks.com/advisories/blondie/WEB
- https://lists.debian.org/debian-lts-announce/2023/11/msg00027.htmlWEB
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/WEB
- https://nvd.nist.gov/vuln/detail/CVE-2023-3550WEB
- https://www.debian.org/security/2023/dsa-5520WEB
- https://www.mediawiki.org/wiki/MediaWiki/WEB
scry
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