AUGUST 4, 2026
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Case File

CVE-2023-54339

CRITICAL · CVSS 9.8 EPSS 1.46% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2026-01-13 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references. It may be remotely exploitable. Exploitation may require the attacker to be authenticated.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

GitHub PoC Links
External Security References

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2023-54339
Severity
CRITICAL
CVSS
9.8
EPSS
1.46%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)