CVE-2021-39352: The Catch Themes Demo Import WordPress plugin is vulnerable to arbitrary file uploads via the import functiona
CVE-2021-39352 is a high-severity flaw (CVSS 7.2) affecting catch themes demo import. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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.
Why this priority
- High severity
- EPSS top 1%: very likely to be exploited
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.2 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 56.3% (top 1%) |
| CISA exploited list | No |
| Weakness | CWE-434 |
| Published | 2021-10-21 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- Metasploit: Wordpress Plugin Catch Themes Demo Import RCE
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2021-39352?
catch themes demo import: upgrade to newer than 1.7. Exact commands for each OS are on this page.
Is CVE-2021-39352 being exploited?
CVE-2021-39352 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2021-39352 affect?
CVE-2021-39352 affects catch themes demo import. Severity is high (CVSS 7.2). 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 validat
How urgent is CVE-2021-39352?
Priority 55/100. High severity; EPSS top 1%: very likely to be exploited; Public exploit reference
Software pages
WordPress vulnerabilities · PHP vulnerabilities
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