CWE
79
EPSS
0.043%
Advisory Published
Updated

CVE-2025-27826: XSS

First published: Fri Mar 07 2025(Updated: )

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.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Backdrop Lite<1.x-1.4.5

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Frequently Asked Questions

  • What is the severity of CVE-2025-27826?

    CVE-2025-27826 has been classified as a medium severity vulnerability due to its potential for Cross-Site Scripting (XSS) attacks.

  • How do I fix CVE-2025-27826?

    To fix CVE-2025-27826, update your Backdrop CMS Lite theme to version 1.x-1.4.5 or later.

  • What is affected by CVE-2025-27826?

    CVE-2025-27826 affects the Bootstrap Lite theme for Backdrop CMS versions prior to 1.x-1.4.5.

  • What type of vulnerability is CVE-2025-27826?

    CVE-2025-27826 is an XSS (Cross-Site Scripting) vulnerability due to inadequate sanitization of class names.

  • What can happen if CVE-2025-27826 is exploited?

    If CVE-2025-27826 is exploited, it could allow attackers to execute malicious scripts in the context of the affected user’s session.

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