CVE-2020-27860: Foxitsoftware Foxit Reader

High severity, CVSS 7.8. EPSS: 3.6% chance of exploitation in the next 30 days.

This vulnerability allows remote attackers to execute arbitrary code on affected installations of Foxit Reader 10.0.1.35811. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The specific flaw exists within the processing of XFA templates. The issue results from the lack of proper validation of user-supplied data, which can result in a write past the end of an allocated data structure. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-11727.

Affected products

• Foxitsoftware Foxit Reader: up to and including 10.1.0.37527
• Foxitsoftware Phantompdf: up to and including 9.7.4.29600; from 10.0.0.0, up to and including 10.1.0.37527

Published 2021-02-12. Last modified 2026-06-17.