CVE-2026-87898 Command injection in Plesk extension "Site Import"
Remote authenticated users can execute arbitrary code with root privileges via OS command injection in the Plesk Site Import extension.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-87898?
CVE-2026-87898 is a critical command injection vulnerability in WebPros Plesk extension "Site Import", published on 23 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
OS command injection in Plesk allows remote authenticated users to execute arbitrary code with root privileges.
Weakness: CWE-78
Which versions are affected by CVE-2026-87898?
How do I fix CVE-2026-87898?
No fix has been published for CVE-2026-87898 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2026-87898 being exploited?
There is no known exploitation of CVE-2026-87898 in the wild and no public exploit code.
Sources
Also known as GHSA-q589-mpmp-9796.