Vulnerability · Published Dec 16, 2025 · Assigned by VulnCheck

CVE-2023-53894phpfm 1.7.9 Authentication Bypass via Type Juggling Vulnerability

Critical 9.8

In plain English

A critical-severity security flaw in phpfm from Dulldusk. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 50% of all known vulnerabilities).

Severity (CVSS 3.1)9.8Critical
Exploit odds (30 days)0.6%top 50.0% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

phpfm 1.7.9 contains an authentication bypass vulnerability that allows attackers to log in by exploiting loose type comparison in password hash validation. Attackers can craft specific password hashes beginning with 0e or 00e to bypass authentication and upload malicious PHP files to the server.

Affected products (as reported)

VendorProductVersions
Dulldusk phpfm 1.7.9

Weakness: CWE-1390 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References