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High severity7.3NVD Advisory· Published Sep 25, 2023· Updated Jun 17, 2026

CVE-2023-3550

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

6
  • MediaWiki/Mediawiki3 versions
    cpe:2.3:a:mediawiki:mediawiki:1.40.0:-:*:*:*:*:*:*+ 2 more
    • cpe:2.3:a:mediawiki:mediawiki:1.40.0:-:*:*:*:*:*:*
    • (no CPE)range: 1.40.0
    • (no CPE)range: =1.40.0
  • Debian/linux2 versions
    cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
    • cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
  • osv-coords
    pkg:bitnami/mediawiki
    Range: >= 1.40.0, < 1.40.1

Patches

Vulnerability mechanics

References

5

News mentions

0

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