CVE-2023-54339
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.
SeverityCritical
CVSS9.8
Exploit probability—
ProductWebgrind
PublishedJan 13, 2026
First seenJan 13, 2026
Weakness typeCWE-78OS command injection
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| webgrind_project webgrind | v ≤ 1.1 | — |
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