{"id":"CVE-2021-39352","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-39352","generatedAt":"2026-11-05T01:04:12.900Z","title":"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.","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.","published":"2021-10-21T20:15:08.000Z","lastModified":"2026-06-17T04:03:36.000Z","status":"Modified","sourceIdentifier":"security@wordfence.com","cvss":{"version":"3.1","score":7.2,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-434"],"affected":["catchplugins/catch themes demo import"],"epss":{"score":0.56259,"percentile":0.99052,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"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."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/165207/WordPress-Catch-Themes-Demo-Import-1.6.1-Shell-Upload.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"security@wordfence.com"},{"url":"http://packetstormsecurity.com/files/165463/WordPress-Catch-Themes-Demo-Import-Shell-Upload.html","tags":["Third Party Advisory","VDB Entry"],"source":"security@wordfence.com"},{"url":"https://github.com/BigTiger2020/word-press/blob/main/Catch%20Themes%20Demo%20Import.md","tags":["Exploit","Third Party Advisory"],"source":"security@wordfence.com"},{"url":"https://github.com/Hacker5preme/Exploits/tree/main/Wordpress/CVE-2021-39352","tags":["Exploit","Third Party Advisory"],"source":"security@wordfence.com"},{"url":"https://plugins.trac.wordpress.org/changeset/2617555/catch-themes-demo-import/trunk/inc/CatchThemesDemoImport.php","tags":["Patch","Third Party Advisory"],"source":"security@wordfence.com"},{"url":"https://www.exploit-db.com/exploits/50580","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"security@wordfence.com"},{"url":"https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39352","tags":["Third Party Advisory"],"source":"security@wordfence.com"},{"url":"http://packetstormsecurity.com/files/165207/WordPress-Catch-Themes-Demo-Import-1.6.1-Shell-Upload.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"http://packetstormsecurity.com/files/165463/WordPress-Catch-Themes-Demo-Import-Shell-Upload.html","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/BigTiger2020/word-press/blob/main/Catch%20Themes%20Demo%20Import.md","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/Hacker5preme/Exploits/tree/main/Wordpress/CVE-2021-39352","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://plugins.trac.wordpress.org/changeset/2617555/catch-themes-demo-import/trunk/inc/CatchThemesDemoImport.php","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.exploit-db.com/exploits/50580","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39352","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-39352","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}