Medium severity · published Mar 7, 2025
CVE-2025-27826
An XSS issue was discovered in the Bootstrap Lite theme before 1.x-1.4.5 for Backdrop CMS
6.4
CVSS
0.2%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 15% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
BL
Bootstrap Lite theme · backdropcms
before 1.x-1.4.5 · source: vendor