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Case File

CVE-2023-3550

HIGH · CVSS 7.3 EPSS 1.15% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2023-09-25 · Last synced 2026-08-04

CyberRota Analysis

This is a high severity vulnerability with a CVSS score of 7.3. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Detected Signals
exploit

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2023-3550
Severity
HIGH
CVSS
7.3
EPSS
1.15%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)