CVE-2025-66501CWE-79

Foxit pdfonline.foxit.com Stored Cross-Site Scripting in eSign Predefined Text Feature

Medium · published December 19, 2025

CVSS v3.1
6.3
EPSS
0%
Percentile
7.1
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00179 · 7.1th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-12-19T07:23Z
EPSS history
Timeline
  • 19 DEC 07:23Z
    Foxit pdfonline.foxit.com Stored Cross-Site Scripting in eSign Predefined Text Feature
    cvelistv5