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.

Remediation

References

CVE-2023-3550

Related Vulnerabilities

Drupal Other Vulnerability (CVE-2022-25275)

Moodle Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2024-34008)

Piwigo Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2018-7723)

WordPress Plugin The Plus Addons for Elementor Security Bypass (4.1.10)

WordPress Plugin Media Library Assistant Information Disclosure (3.00)

Severity

Critical

Classification

CVE-2023-3550 CWE-707 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Tags

Missing Update Known Vulnerabilities