Arbitrary file upload in Funnelforms Free

CVE-2024-6311

The Funnelforms Free plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'af2_add_font' function in all versions up to, and including, 3.7.3.2. This makes it possible for authenticated attackers, with administrator-level and above permissions, to upload arbitrary files on the affected site's server which may make remote code execution possible.

Vulnerability class: Unrestricted File Upload

EPSS: 0.009 (56.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-6311?
CVE-2024-6311 is a high-severity vulnerability in Funnelforms Free, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2024-08-28.
How severe is CVE-2024-6311?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2024-6311 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.