Question 1

What is the EOL Risk Score for Plesk 18.0.80?

Accepted Answer

Plesk 18.0.80 has an EOL Risk Score™ of 25 out of 100, placing it in the Low risk band. The score is calculated from four factors: EOL Recency (15/40), Attack Surface (10/30), CISA KEV Exposure (0/20), and Extended Support Availability (0/10).

Question 2

Is Plesk 18.0.80 still supported?

Accepted Answer

Plesk 18.0.80 is currently supported. End of life is scheduled for October 27, 2026. Plan your migration before that date to avoid security risk.

Question 3

When does Plesk 18.0.80 reach end of life?

Accepted Answer

Plesk 18.0.80 reached (or will reach) end of life on October 27, 2026. After this date, no security patches or bug fixes are issued by the vendor.

Question 4

What are the security risks of running Plesk 18.0.80 after end of life?

Accepted Answer

After end of life, Plesk 18.0.80 no longer receives security patches. Any newly discovered CVEs remain unpatched indefinitely. Organizations running EOL software also face compliance violations under SOC 2, PCI DSS, HIPAA, and ISO 27001, which require use of supported software versions.