CVE-2021-39352Catch Themes Demo Import <= 1.7 Admin+ Arbitrary File Upload
- 7.2HighCVSS base score
- 56.3%Exploitation in 30 daysEPSS · top 0.9% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
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.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module for it.
Show the exploits1
Metasploit modules1 module
- Wordpress Plugin Catch Themes Demo Import RCE (Metasploit module) (opens in a new tab)
exploit/multi/http/wp_catch_themes_demo_importRank normaldisclosed 21 Oct 2021
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By Wordfence
- 2 months later
· 2 months later
Published
- 3 years later
· 3 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| WordfenceCNA (assigner) | 3.1 | High7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.2 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 56.3% · top 0.9% of all CVEs (13 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: total
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.2.
Affected products
Catch Themes Demo Import · Catch Themes Demo Import
- affected 1.7 – ≤ 1.7
What to do
Solution: Update to version 1.7 or newer.
References
References7
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39352 (opens in a new tab)x_refsource_MISCx_transferred
- https://plugins.trac.wordpress.org/changeset/2617555/catch-themes-demo-import/trunk/inc/CatchThemesDemoImport.php (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/BigTiger2020/word-press/blob/main/Catch%20Themes%20Demo%20Import.md (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/165207/WordPress-Catch-Themes-Demo-Import-1.6.1-Shell-Upload.html (opens in a new tab)x_refsource_MISCx_transferred
- http://packetstormsecurity.com/files/165463/WordPress-Catch-Themes-Demo-Import-Shell-Upload.html (opens in a new tab)x_refsource_MISCx_transferred
- https://github.com/Hacker5preme/Exploits/tree/main/Wordpress/CVE-2021-39352 (opens in a new tab)x_refsource_MISCx_transferred
- https://www.exploit-db.com/exploits/50580 (opens in a new tab)x_refsource_MISCx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2021-25713 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2021-39352)Record last updated .