Vulnerability · Published Dec 19, 2025 · Assigned by Foxit
CVE-2025-66519Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Layer Import Functionality
Medium 6.3
In plain English
A medium-severity cross-site scripting in pdfonline.foxit.com from Foxit Software Inc.. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 8% of all known vulnerabilities).
Official description
A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the Layer Import functionality. A crafted payload can be injected into the “Create new Layer” field during layer import and is later rendered into the DOM without proper sanitization. As a result, the injected script executes when the Layers panel is accessed.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Foxit Software Inc. | pdfonline.foxit.com | before 2025‑12‑01 |
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N