Arbitrary file upload in Catchplugins Catch Themes Demo Import

CVE-2021-39352

The Catch Themes Demo Import WordPress plugin is vulnerable to arbitrary file uploads via the import functionality found in the ~/inc/CatchThemesDemoImport.php file, in versions up to and including 1.7, due to insufficient file type validation. This makes it possible for an attacker with administrative privileges to upload malicious files that can be used to achieve remote code execution.

Vulnerability class: Unrestricted File Upload

EPSS: 0.563 (99.0th 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-2021-39352?
CVE-2021-39352 is a high-severity vulnerability in Catchplugins Catch Themes Demo Import, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2021-10-21.
How severe is CVE-2021-39352?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2021-39352 known to be exploited?
4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.