What’s Vulnerable › Vulnerabilities

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

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-12-16 · updated 2026-06-17
• Weakness: CWE-1390

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

• Sourceforge phpFileManager: 1.7.9

References

• https://www.dulldusk.com/phpfm/
• https://www.exploit-db.com/exploits/51594
• https://www.vulncheck.com/advisories/phpfm-authentication-bypass-via-type-juggling-vulnerability

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