Description

An issue was discovered in MediaWiki before 1.35.5, 1.36.x before 1.36.3, and 1.37.x before 1.37.1. Special:CheckUserLog allows CheckUser XSS because of date mishandling, as demonstrated by an XSS payload in MediaWiki:October.

Remediation

References

CVE-2021-46150

Related Vulnerabilities

Atlassian Confluence Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') Vulnerability (CVE-2023-22522)

Internet Information Services Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2002-0422)

Joomla Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2017-7984)

WordPress Plugin PDF Viewer Cross-Site Scripting (0.1)

MySQL Improper Restriction of Operations within the Bounds of a Memory Buffer Vulnerability (CVE-2012-0882)

Severity

Medium

Classification

CVE-2021-46150 CWE-707 CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Tags

Missing Update Known Vulnerabilities