CVE-2020-5553: Mailform

Critical severity, CVSS 9.8. EPSS: 2.3% chance of exploitation in the next 30 days.

mailform version 1.04 allows remote attackers to execute arbitrary PHP code via unspecified vectors.

Affected products

• Mailform Mailform: version 1.04 only

Published 2020-03-25. Last modified 2026-06-17.