CVE-2025-66502CWE-79cross-site-scripting

CVE-2025-66502

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 Page Templates feature. A crafted payload can be stored as the template name, which is later rendered into the DOM without proper sanitization. As a result, the injected script executes each time the affected PDF 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
0.00179 · 7.1th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2025-12-19T13:15Z
Affected products (1)
ProductVersionsFixed in
foxit/pdf_editor_cloud< 2025-12-012025-12-01
References (1)
https://www.foxit.com/support/security-bulletins.html · 14984358-7092-470d-8f34-ade47a7658a2
EPSS history
Timeline
  • 19 DEC 07:25Z
    Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Page Templates Feature
    cvelistv5