CVE-2025-66521CWE-79

Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Trusted Certificates Feature

Medium · published December 19, 2025

CVSS v3.1
6.3
EPSS
0%
Percentile
1.4
In the wild
Unconfirmed
What it is

A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the Trusted Certificates feature. A crafted payload can be injected as the certificate name, which is later rendered into the DOM without proper sanitization. As a result, the injected script executes each time the Trusted Certificates view is loaded.

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
0.00114 · 1.4th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-12-19T07:33Z
EPSS history
Timeline
  • 19 DEC 07:33Z
    Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Trusted Certificates Feature
    cvelistv5