CVE-2023-53894

phpfm 1.7.9 Authentication Bypass via Type Juggling Vulnerability

Published Dec 16, 2025 CVSS 4.0 · 9.3 Critical EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Dulldusk phpfilemanager
CPEs cpe:2.3:a:dulldusk:phpfilemanager:1.7.9:*:*:*:*:*:*:*
Vendors & Products Dulldusk phpfilemanager
Type Values Removed Values Added
First Time appeared Dulldusk
Dulldusk phpfm
Vendors & Products Dulldusk
Dulldusk phpfm
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title phpfm 1.7.9 Authentication Bypass via Type Juggling Vulnerability
Weaknesses CWE-1390
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

cvssV4_0

{'score': 9.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Apr 7, 2026, 2:07 PM
Reserved
Dec 16, 2025, 12:10 AM
Status
Analyzed
Published
Dec 16, 2025, 5:16 PM
Modified
Jun 17, 2026, 6:46 AM