Description
An issue was discovered in helpers/mailer.php in the Creative Contact Form extension 4.6.2 before 2019-12-03 for Joomla!. A directory traversal vulnerability resides in the filename field for uploaded attachments via the creativecontactform_upload parameter. An attacker could exploit this vulnerability with the "Send me a copy" option to receive any files of the filesystem via email.
References
- https://extensions.joomla.org/extension/creative-contact-form/
- https://www.ait.ac.at/themen/cyber-security/pentesting/security-advisories/ait-sa-20200301-01/
- 20200306 [AIT-SA-20200301-01] CVE-2020-9364: Directory Traversal in Creative Contact Form mailing-list
- http://packetstormsecurity.com/files/156655/Creative-Contact-Form-4.6.2-Directory-Traversal.html