What’s Vulnerable › Vulnerabilities

CVE-2023-54339: Webgrind 1.1 - Remote Command Execution (RCE) via dataFile Parameter

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.7% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-01-13 · updated 2026-06-17
• Weakness: CWE-78

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.

Affected products

• jokkedk Webgrind: through 1.1

References

• http://github.com/jokkedk/webgrind/
• https://www.exploit-db.com/exploits/51074
• https://www.vulncheck.com/advisories/webgrind-remote-command-execution-rce-via-datafile-parameter
• https://www.exploit-db.com/exploits/51074

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