Vulnerability · Published May 16, 2026 · Assigned by VulnCheck

CVE-2021-47977WordPress Anti-Malware Security Bruteforce Firewall <= 4.20.72 Directory Traversal

High 7.5

In plain English

A high-severity path traversal in Malware Security and Bruteforce Firewall from Gotmls. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.7% (higher than 51% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)0.7%top 48.6% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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 products (as reported)

Vendor	Product	Versions
Gotmls	Malware Security and Bruteforce Firewall	0 – through 4.20.72

Weakness: CWE-22 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

ExploitDB-50107 exploit
Official Product Homepage product
Product Reference product
VulnCheck Advisory: WordPress Anti-Malware Security Bruteforce Firewall 4.20.59 Directory Traversal third-party-advisory