VULNERABILITY INTELLIGENCE

CVE-2025-66501

CVSS score6.3 MEDIUM
EPSS probability0.18%
CISA KEVNot currently listed
Published2025-12-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N

Description

A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the Predefined Text feature of the Foxit eSign section. A crafted payload can be stored via the Identity “First Name” field, which is later rendered into the DOM without proper sanitization. As a result, the injected script may execute when predefined text is used or when viewing document properties.

Weakness classification

  • 14984358-7092-470d-8f34-ade47a7658a2: CWE-79

Primary references