What’s Vulnerable › Vulnerabilities

CVE-2023-4931: Uncontrolled search path element vulnerability in Plesk

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-11-27 · updated 2026-06-17
• Weakness: CWE-427

Description

Uncontrolled search path element vulnerability in Plesk Installer affects version 3.27.0.0. A local attacker could execute arbitrary code by injecting DLL files into the same folder where the application is installed, resulting in DLL hijacking in edputil.dll, samlib.dll, urlmon.dll, sspicli.dll, propsys.dll and profapi.dll files.

Affected products

• Plesk: 3.27.0.0

References

• https://support.plesk.com/hc/en-us/articles/17426121182103
• https://www.incibe.es/en/incibe-cert/notices/aviso/uncontrolled-search-path-element-vulnerability-plesk
• https://support.plesk.com/hc/en-us/articles/17426121182103
• https://www.incibe.es/en/incibe-cert/notices/aviso/uncontrolled-search-path-element-vulnerability-plesk

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