Description

An issue was discovered in Special:MediaSearch in the MediaSearch extension in MediaWiki through 1.36.2. The suggestion text (a parameter to mediasearch-did-you-mean) was not being properly sanitized and allowed for the injection and execution of HTML and JavaScript via the intitle: search operator within the query.

Remediation

References

CVE-2021-42043

Related Vulnerabilities

OpenVPN AS Cross-Site Request Forgery (CSRF) Vulnerability (CVE-2013-2692)

Jboss EAP Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') Vulnerability (CVE-2014-0226)

MediaWiki remote code execution

WordPress Plugin Backup, Restore and Migrate WordPress Sites With the XCloner SQL Injection (4.2.161)

WordPress Plugin Shopping Cart & eCommerce Store Arbitrary File Upload (3.0.8)

Severity

Medium

Classification

CVE-2021-42043 CWE-707 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Tags

Missing Update Known Vulnerabilities