CVE-2023-54339

CRITICAL
2026-01-13 [email protected]
9.8
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:54 vuln.today
PoC Detected
Feb 03, 2026 - 19:21 vuln.today
Public exploit code
CVE Published
Jan 13, 2026 - 23:16 nvd
CRITICAL 9.8

Tags

PHP Command Injection Webgrind

Description

Webgrind 1.1 contains a remote command execution vulnerability that allows unauthenticated attackers to inject OS commands via the dataFile parameter in index.php. Attackers can execute arbitrary system commands by manipulating the dataFile parameter, such as using payload '0%27%26calc.exe%26%27' to execute commands on the target system.

Analysis

Webgrind 1.1 has unauthenticated command injection via the dataFile parameter in index.php. The profiling tool executes OS commands directly from URL parameters. PoC available.

Technical Context

The dataFile parameter is passed to a system command without sanitization (CWE-78).

Affected Products

Webgrind 1.1

Remediation

Remove Webgrind from production servers. Use it only in local development environments.

Priority Score

70
Low Medium High Critical
KEV: 0
EPSS: +0.7
CVSS: +49
POC: +20

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CVE-2023-54339 vulnerability details – vuln.today
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