RCE in Jokkedk Webgrind
CVE-2023-54339
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.
Vulnerability class: Command Injection (OS Command Injection)
EPSS: 0.015 (70.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Jokkedk Webgrind — versions 1.1
- Webgrind_project Webgrind
Weakness classification (CWE)
References
- disclosure@vulncheck.com (Exploit, exploit)
- disclosure@vulncheck.com (Product, product)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2023-54339?
- CVE-2023-54339 is a critical-severity vulnerability in Jokkedk Webgrind, classified under OS Command Injection. CVSS score: 9.8/10. Published 2026-01-13.
- How severe is CVE-2023-54339?
- Critical severity. CVSS v3 base score is 9.8 out of 10.