CVE-2023-54339 | Webgrind 1.1 contains a remote command execution vulnerabili… | CVSS 9.8 CRITICAL

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.

Metadata

CVE ID: CVE-2023-54339
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-01-10 01:51 UTC
Published: 2026-01-13 22:52 UTC
Last updated: 2026-03-05 01:29 UTC
Primary CWE: CWE-78
Improper Neutralization of Special Elements used in an OS Co…
Vendor / Product: jokkedk / Webgrind
Sources: cve.org · NVD

Severity & Metrics

9.8 CRITICAL CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC — CISA Coordinator

Exploitation: PoC
Automatable: yes
Tech. Impact: total

Affected products (1)

Vendor	Product	Platform	Versions
jokkedk	Webgrind	—	1.1

Weakness (CWE)

CWE	Source	Description
CWE-78	cna	Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

CVSS scores (2)

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

References (3)

ExploitDB-51074 https://www.exploit-db.com/exploits/51074
Webgrind GitHub Repository http://github.com/jokkedk/webgrind/
VulnCheck Advisory: Webgrind 1.1 - Remote Command Execution (RCE) via dataFile Parameter https://www.vulncheck.com/advisories/webgrind-remote-command-execution-rce-via-datafile-parameter