Anti-Malware Security and Brute-Force Firewall, CVE-2021-47977

CVE, Research URL: CVE-2021-47977
Home page URL: Security reports for Anti-Malware Security and Brute-Force Firewall
Application: Anti-Malware Security and Brute-Force Firewall
Published on: May 16, 2026
Research Description: WordPress Plugin Anti-Malware Security and Bruteforce Firewall 4.20.59 contains a directory traversal vulnerability that allows unauthenticated attackers to read arbitrary files by manipulating the file parameter. Attackers can send requests to the duplicator_download action via admin-ajax.php with path traversal sequences to access sensitive system files outside the intended directory.
Affected versions: max 4.20.59.
Status: vulnerable