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6.1

Backdrop CMS allows malicious SVG files to compromise user accounts

CVE-2024-54123 · published 1 year ago
Summary

An attacker can embed malicious code in an SVG file to steal user data or take control of their account. This affects all users who have enabled SVG files in their text format settings. To fix this, update to Backdrop CMS version 1.28.4 or 1.29.2 or later.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
backdropcms backdrop < 1.28.4
>= 1.29.0, < 1.29.2
cpe:2.3:a:backdropcms:backdrop:*:*:*:*:*:*:*:*
Original advisory text
Backdrop CMS before 1.28.4 and 1.29.x before 1.29.2 allows XSS via an SVG document, if the SVG tag is allowed for a text format.
Backdrop CMS before 1.28.4 and 1.29.x before 1.29.2 allows XSS via an SVG document, if the SVG tag is allowed for a text format.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
6.1 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published29 Nov 2024
Updated3 Nov 2026
First seen7 Mar 2026
Sources
CVE-2024-54123 · NVD
CVE-2024-54123 · OSV
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