Vulnerability in Contao

CVE-2024-28234

Contao is an open source content management system. Starting in version 2.0.0 and prior to versions 4.13.40 and 5.3.4, it is possible to inject CSS styles via BBCode in comments. Installations are only affected if BBCode is enabled. Contao…

EPSS: 0.006 (43.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N.

Affected products

  • Contao — versions >= 2.0.0, < 4.13.40, >= 5.0.0, < 5.3.4

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-28234?
CVE-2024-28234 is a medium-severity vulnerability in Contao, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 4.3/10. Published 2024-04-09.
How severe is CVE-2024-28234?
Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2024-28234 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.