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)
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.017 (75.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.017 · change: +0.002
Affected products
- Jokkedk Webgrind — versions 1.1
- Webgrind Project
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/51074 (Exploit, exploit)
- github.com/jokkedk/webgrind/ (Product, product)
- www.vulncheck.com/advisories/webgrind-remote-command-execution-rce-via-datafile… (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.