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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 56.3%, higher than 99% of all known CVEs. Patch or mitigate before the next change window.
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.
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 56.26% probability · 99th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-434
- Affected
- catchplugins/catch themes demo import
- Source
- security@wordfence.com
EPSS 56.3% since 3 November 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://packetstormsecurity.com/files/165207/WordPress-Catch-Themes-Demo-Import-1.6.1-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/165463/WordPress-Catch-Themes-Demo-Import-Shell-Upload.htmlThird Party Advisory, VDB Entry
- https://github.com/BigTiger2020/word-press/blob/main/Catch%20Themes%20Demo%20Import.mdExploit, Third Party Advisory
- https://github.com/Hacker5preme/Exploits/tree/main/Wordpress/CVE-2021-39352Exploit, Third Party Advisory
- https://plugins.trac.wordpress.org/changeset/2617555/catch-themes-demo-import/trunk/inc/CatchThemesDemoImport.phpPatch, Third Party Advisory
- https://www.exploit-db.com/exploits/50580Exploit, Third Party Advisory, VDB Entry
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39352Third Party Advisory
- http://packetstormsecurity.com/files/165207/WordPress-Catch-Themes-Demo-Import-1.6.1-Shell-Upload.htmlExploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/165463/WordPress-Catch-Themes-Demo-Import-Shell-Upload.htmlThird Party Advisory, VDB Entry
- https://github.com/BigTiger2020/word-press/blob/main/Catch%20Themes%20Demo%20Import.mdExploit, Third Party Advisory
- https://github.com/Hacker5preme/Exploits/tree/main/Wordpress/CVE-2021-39352Exploit, Third Party Advisory
- https://plugins.trac.wordpress.org/changeset/2617555/catch-themes-demo-import/trunk/inc/CatchThemesDemoImport.phpPatch, Third Party Advisory
- https://www.exploit-db.com/exploits/50580Exploit, Third Party Advisory, VDB Entry
- https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39352Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.