CVE-2025-27825
MEDIUMBootstrap 5 Lite theme < 1.x-1.0.3 - Cross-Site Scripting via Class Name Sanitization
Title source: llmDescription
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.
References (1)
Core 1
Core References
Various Sources
https://backdropcms.org/security/backdrop-sa-contrib-2025-004
Scores
CVSS v3
6.4
EPSS
0.0021
EPSS Percentile
11.5%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-79
Status
published
Products (1)
backdropcms/Bootstrap 5 Lite theme
< 1.x-1.0.3
Published
Mar 07, 2025
Tracked Since
Feb 18, 2026