CVE-2025-27826 – Backdrop CMS Bootstrap Lite XSS Injection

The following table lists the changes that have been made to the
CVE-2025-27826 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution
of a vulnerability, and for identifying the most recent changes that may
impact the vulnerability’s severity, exploitability, or other characteristics.

  • New CVE Received
    by [email protected]

    Mar. 07, 2025

    Action Type Old Value New Value
    Added 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.
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
    Added CWE CWE-79
    Added Reference https://backdropcms.org/security/backdrop-sa-core-2025-005
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