Description

An issue was discovered in the GlobalWatchlist extension in MediaWiki through 1.36.2. The rev-deleted-user and ntimes messages were not properly escaped and allowed for users to inject HTML and JavaScript.

Remediation

References

CVE-2021-42046

Related Vulnerabilities

PostgreSQL Generation of Error Message Containing Sensitive Information Vulnerability (CVE-2014-8161)

MySQL CVE-2021-2046 Vulnerability (CVE-2021-2046)

WordPress Plugin Ultimate WP Query Search Filter Cross-Site Scripting (1.0.10)

MediaWiki Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2010-2788)

WordPress Plugin Gwolle Guestbook Multiple Vulnerabilities (2.1.0)

Severity

Medium

Classification

CVE-2021-42046 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