CVE-2025-59803: Foxit PDF Editor

Medium severity, CVSS 5.3. EPSS: 0.2% chance of exploitation in the next 30 days.

Foxit PDF Editor and Reader before 2025.2.1 allow signature spoofing via triggers. An attacker can embed triggers (e.g., JavaScript) in a PDF document that execute during the signing process. When a signer reviews the document, the content appears normal. However, once the signature is applied, the triggers modify content on other pages or optional content layers without explicit warning. This can cause the signed PDF to differ from what the signer saw, undermining the trustworthiness of the digital signature. The fixed versions are 2025.2.1, 14.0.1, and 13.2.1.

Affected products

• Foxit PDF Editor: up to and including 13.2.0.63256; from 2023.1.0.55583, up to and including 2023.3.0.63083; from 2024.1.0.63682, up to and including 2024.4.1.66479; version 14.0.0.68868 only; version 2025.1.0.66692 only; version 2025.2.0.68868 only; …
• Foxit PDF Reader: up to and including 2025.2.0.68868; up to and including 2025.2.0.33046

Published 2025-12-11. Last modified 2026-06-17.