CVE-2021-39352

CVE-2021-39352 is a high-severity vulnerability in Catchplugins Catch Themes Demo Import with a CVSS 3.x base score of 7.2. Its EPSS exploit-prediction score of 56% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-434.

Key facts

Description

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.

Frequently asked questions

What is 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.
How severe is CVE-2021-39352?
CVE-2021-39352 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2021-39352 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 56% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2021-39352?
CVE-2021-39352 affects Catchplugins Catch Themes Demo Import. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-39352?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2021-39352 published?
CVE-2021-39352 was published on 2021-10-21 and last updated on 2026-06-17.

References

Affected products (1)

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