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
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.563 (99.0th percentile), scored .
High probability of exploitation in the next 30 days — patch promptly. 99th percentile — 99.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.563 · newest: 0.563 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/vulnerability-advisories/ (Third Party Advisory)
- plugins.trac.wordpress.org/changeset/2617555/catch-themes-demo-import/trunk/inc… (Patch, Third Party Advisory)
- github.com/BigTiger2020/word-press/blob/main/Catch Themes Demo Import.md (Exploit, Third Party Advisory)
- packetstormsecurity.com/files/165207/WordPress-Catch-Themes-Demo-Import-1.6.1-S… (Exploit, VDB Entry, Third Party Advisory)
- packetstormsecurity.com/files/165463/WordPress-Catch-Themes-Demo-Import-Shell-U… (VDB Entry, Third Party Advisory)
- github.com/Hacker5preme/Exploits/tree/main/Wordpress/CVE-2021-39352 (Exploit, Third Party Advisory)
- www.exploit-db.com/exploits/50580 (Exploit, VDB Entry, Third Party Advisory)
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.