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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.

PUBLISHED Reserved 2026-01-10 | Published 2026-01-13 | Updated 2026-01-14 | Assigner VulnCheck




CRITICAL: 9.3CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N
CRITICAL: 9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Problem types

Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Product status

1.1
affected

Credits

Rafael Pedrero finder

References

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

www.exploit-db.com/exploits/51074 (ExploitDB-51074) exploit

github.com/jokkedk/webgrind/ (Webgrind GitHub Repository) product

www.vulncheck.com/...nd-execution-rce-via-datafile-parameter (VulnCheck Advisory: Webgrind 1.1 - Remote Command Execution (RCE) via dataFile Parameter) third-party-advisory

cve.org (CVE-2023-54339)

nvd.nist.gov (CVE-2023-54339)

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