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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.

PUBLISHED Reserved 2026-05-16 | Published 2026-05-16 | Updated 2026-05-16 | Assigner VulnCheck




HIGH: 8.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N
HIGH: 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Problem types

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Product status

Any version
affected

Credits

TheSmuggler finder

References

www.exploit-db.com/exploits/50107 (ExploitDB-50107) exploit

gotmls.net/ (Official Product Homepage) product

gotmls.net/downloads/ (Product Reference) product

www.vulncheck.com/...bruteforce-firewall-directory-traversal (VulnCheck Advisory: WordPress Anti-Malware Security Bruteforce Firewall 4.20.59 Directory Traversal) third-party-advisory

cve.org (CVE-2021-47977)

nvd.nist.gov (CVE-2021-47977)

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