6.3Medium
CVE-2025-66501Foxit pdfonline.foxit.com Stored Cross-Site Scripting in eSign Predefined Text Feature
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 (CWE):
CWE-79
Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.
Affected products and versions
| Vendor | Product | Versions | |
|---|---|---|---|
| foxit | pdf editor cloud | < 2025-12-01 | |
| Foxit Software Inc. | pdfonline.foxit.com | before 2025‑12‑01 |
References and patches
- https://www.foxit.com/support/security-bulletins.html Vendor Advisory
CPE matches (NVD) (1)
cpe:2.3:a:foxit:pdf_editor_cloud:*:*:*:*:*:*:*:*< 2025-12-01