CVE-2020-13803: Foxitsoftware Phantompdf

High severity, CVSS 7.5. EPSS: 0.7% chance of exploitation in the next 30 days.

An issue was discovered in Foxit PhantomPDF Mac and Foxit Reader for Mac before 4.0. It allows signature validation bypass via a modified file or a file with non-standard signatures.

Affected products

• Foxitsoftware Phantompdf: before 4.0 (fixed in 4.0)
• Foxitsoftware Reader: before 4.0 (fixed in 4.0)

Published 2020-06-04. Last modified 2026-06-17.