Description

MediaWiki before 1.36.2 allows a denial of service (resource consumption because of lengthy query processing time). ApiQueryBacklinks (action=query&list=backlinks) can cause a full table scan.

Remediation

References

CVE-2021-41799

Related Vulnerabilities

WordPress Plugin Captcha by BestWebSoft Multiple Cross-Site Scripting Vulnerabilities (4.1.5)

Angular Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2021-4231)

WordPress Plugin Quiz and Survey Master (QSM)-Easy Quiz and Survey Maker Multiple Vulnerabilities (8.0.4)

Moodle Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2017-2645)

WordPress Plugin Paid Membership, Ecommerce, Registration Form, Login Form, User Profile & Restrict Content-ProfilePress Multiple Vulnerabilities (3.1.3)

Severity

High

Classification

CVE-2021-41799 CWE-770 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Tags

Missing Update Known Vulnerabilities