CVE-2022-24590: Backdropcms Backdrop

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

A stored cross-site scripting (XSS) vulnerability in the Add Link function of BackdropCMS v1.21.1 allows attackers to execute arbitrary web scripts or HTML.

Affected products

• Backdropcms Backdrop: version 1.21.1 only

Published 2022-02-15. Last modified 2026-06-17.