CVE-2025-27824: Backdropcms Link Iframe Formatter

Medium severity, CVSS 6.4. EPSS: 0.2% chance of exploitation in the next 30 days.

An XSS issue was discovered in the Link iframe formatter module before 1.x-1.1.1 for Backdrop CMS. It doesn't sufficiently sanitize input before displaying results to the screen. This vulnerability is mitigated by the fact that an attacker must have the ability to create content containing an iFrame field.

Affected products

• Backdropcms Link Iframe Formatter: before 1.x-1.1.1 (fixed in 1.x-1.1.1)

Published 2025-03-07. Last modified 2026-06-17.