#VU45698 Arbitrary File Deletion in Quiz And Survey Master - Best Quiz Plugin for WordPress

 

#VU45698 Arbitrary File Deletion in Quiz And Survey Master - Best Quiz Plugin for WordPress

Published: August 14, 2020


Vulnerability identifier: #VU45698
Vulnerability risk: High
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N/E:P/U:Amber
CVE-ID: N/A
CWE-ID: CWE-264
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Quiz And Survey Master - Best Quiz Plugin for WordPress
Software vendor:
QSM Team

Description

The vulnerability allows a remote attacker to delete arbitrary file on the system.

The vulnerability exists due to application does not properly impose security restrictions when "qsm_remove_file_fd_question" function is registered with a regular AJAX action and a "nopriv" AJAX action. A remote attacker can delete important files on the target system.


Remediation

Install updates from vendor's website.

External links