CVE-2023-54339

Webgrind 1.1 - Remote Command Execution (RCE) via dataFile Parameter

CRITICAL 9.3EPSS 1.7%

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.

Affected: jokkedk · Webgrind
CVSS v4.0 VULNCHECK: 9.3 CRITICALCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CVSS v3.1 VULNCHECK: 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS: 1.70% chance of exploitation in the next 30 days, 77th percentile
Published: 2026-01-13
Updated: 2026-03-05

Proof-of-concept exploits (1)

https://www.exploit-db.com/exploits/51074

Security advisories

https://www.vulncheck.com/advisories/webgrind-remote-command-execution-rce-via-datafile-p…
http://github.com/jokkedk/webgrind

References

CVE Record
NVD entry