Description
WordPress Plugin Catch Themes Demo Import is prone to a vulnerability that lets attackers upload arbitrary files because the application fails to properly verify user-supplied input. An attacker can exploit this vulnerability to upload arbitrary code and run it in the context of the webserver process. This may facilitate unauthorized access or privilege escalation; other attacks are also possible. WordPress Plugin Catch Themes Demo Import version 1.7 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 1.8 or latest
References
https://github.com/BigTiger2020/word-press/blob/main/Catch%20Themes%20Demo%20Import.md
https://www.exploit-db.com/exploits/50580
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39352
https://plugins.svn.wordpress.org/catch-themes-demo-import/trunk/readme.txt
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