CVE-2023-54339
CVSS v3
9.8
CRITICAL
EPSS Score
1.7 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2026-01-13
- Last Modified
- 2026-02-03
Frequently asked questions
What is 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.
Is CVE-2023-54339 actively exploited?
Active exploitation of CVE-2023-54339 has not been confirmed. Its EPSS score was 1.7% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-54339?
CVE-2023-54339 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2023-54339 affecting your environment?
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