BackdropCMS

Products

ProductCVEsExploitedLatest
Backdrop5–Oct 16, 2026
Bootstrap 5 Lite theme1–Mar 7, 2025
Bootstrap Lite theme1–Mar 7, 2025
Flag1–Apr 25, 2025
GDPR cookies module for Backdrop CMS1–May 26, 2026
Link iframe formatter1–Mar 7, 2025
Mail Disguise1–Mar 7, 2025
Masquerade1–Mar 7, 2025

Exploited and recent CVEs

  • CVE-2026-111442 Medium 5.3 Backdrop CMS Core 1.35.x before 1.35.2 and 1.34.x before 1.34.6 does not sufficiently validate uploaded SVG images to ensure they lack potentially dangerous SVG tags. SVG images can contain clickable 0.2%
  • CVE-2026-110907 High 7.5 Backdrop CMS Core 1.35.x before 1.35.2 and 1.34.x before 1.34.6 mishandles tokens. A token is a small placeholder string (like [node:title] or [user:name]) used to automatically insert dynamic data in 0.3%
  • CVE-2026-107914 High 7.8 Backdrop CMS 1.34 before 1.34.5 and 1.35 before 1.35.1 doesn't sufficiently protect configuration exports when delivering a compressed archive. This vulnerability is mitigated by the fact that an expo 0.1%
  • CVE-2025-71310 Low 1.8 The GDPR cookies module for Backdrop CMS (before 1.x-1.3.5) doesn't sufficiently protect visitors from Cross Site Scripting (XSS) if a malicious value has been provided for the optional 'Info conten 0.3%
  • CVE-2025-46595 Medium 6.4 An XSS issue was discovered in the Flag module before 1.x-3.6.2 for Backdrop CMS. Flag is a module that allows flags to be added to nodes, comments, users, and any other type of entity. It doesn't ver 0.2%
  • CVE-2025-27822 High 7.5 An issue was discovered in the Masquerade module before 1.x-1.0.1 for Backdrop CMS. It allows people to temporarily switch to another user account. The module provides a "Masquerade as admin" permissi 0.3%
  • CVE-2025-27825 Medium 6.4 An XSS issue was discovered in the Bootstrap 5 Lite theme before 1.x-1.0.3 for Backdrop CMS. It doesn't sufficiently sanitize certain class names. 0.2%
  • CVE-2025-27826 Medium 6.4 An XSS issue was discovered in the Bootstrap Lite theme before 1.x-1.4.5 for Backdrop CMS. It doesn't sufficiently sanitize certain class names. 0.2%
  • CVE-2025-27824 Medium 6.4 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 0.2%
  • CVE-2025-27823 Medium 6.4 An issue was discovered in the Mail Disguise module before 1.x-1.0.5 for Backdrop CMS. It enables a website to obfuscate email addresses, and should prevent spambots from collecting them. The module d 0.2%
  • CVE-2025-25062 Medium 4.4 An XSS issue was discovered in Backdrop CMS 1.28.x before 1.28.5 and 1.29.x before 1.29.3. It doesn't sufficiently isolate long text content when the CKEditor 5 rich text editor is used. This allows a 1.7%
  • CVE-2025-25063 Medium 4.4 An XSS issue was discovered in Backdrop CMS 1.28.x before 1.28.5 and 1.29.x before 1.29.3. It does not sufficiently validate uploaded SVG images to ensure they do not contain potentially dangerous SVG 0.2%