---
id: CVE-2025-66502
title: >-
  A stored cross-site scripting (XSS) vulnerability exists in
  pdfonline.foxit.com within the Page Templates feature
summary: >-
  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…
severity: medium
cvss: 6.3
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N'
cwe:
  - CWE-79
vendor: foxit
product: pdf_editor_cloud
affected:
  - pdf_editor_cloud < 2025-12-01
patched:
  - pdf_editor_cloud 2025-12-01
published: '2025-12-19'
updated: '2026-09-30'
sourceUpdated: '2026-09-30T23:10:00.237'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-66502'
references:
  - url: 'https://www.foxit.com/support/security-bulletins.html'
    label: 14984358-7092-470d-8f34-ade47a7658a2
tags:
  - nvd
epss: 0.00179
epssPercentile: 0.06721
ingestedAt: '2026-09-30T23:29:32.507Z'
---

## Overview

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.

## Affected

- `pdf_editor_cloud < 2025-12-01`

## Remediation

Upgrade past the affected range:

- `pdf_editor_cloud 2025-12-01`