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.
Conclusion & alert: CVE-2025-27824 is rated Moderate Risk (41.8/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.24%).Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
Exploit prediction scoring system (EPSS) score for CVE-2025-27824
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).