#VU81268 Stored cross-site scripting in MediaWiki - CVE-2023-3550

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Main Vulnerability Database Vulnerabilities #VU81268

#VU81268 Stored cross-site scripting in MediaWiki - CVE-2023-3550

Published: September 29, 2023


Vulnerability identifier: #VU81268
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2023-3550
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
MediaWiki
Software vendor:
MediaWiki.org

Description

The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in Special:Upload when handling XML files. A remote user can upload a specially crafted XML file and execute arbitrary HTML and script code in user's browser in context of vulnerable website.



Remediation

Install updates from vendor's website.

External links