Unrated severityOSV Advisory· Published Dec 16, 2025· Updated Apr 7, 2026
phpfm 1.7.9 Authentication Bypass via Type Juggling Vulnerability
CVE-2023-53894
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.
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Affected products
1Patches
Vulnerability mechanics
References
3- www.exploit-db.com/exploits/51594mitreexploit
- www.vulncheck.com/advisories/phpfm-authentication-bypass-via-type-juggling-vulnerabilitymitrethird-party-advisory
- www.dulldusk.com/phpfm/mitreproduct
News mentions
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