CVE-2025-66500
BaseFortify
Publication date: 2025-12-19
Last updated on: 2025-12-23
Assigner: Foxit
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| foxit | pdf_editor_cloud | to 2025-12-01 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability impact me? :
The vulnerability can allow an attacker to execute arbitrary JavaScript in the context of the affected web application. This can lead to unauthorized actions such as stealing sensitive information, hijacking user sessions, or performing actions on behalf of the user without their consent.
Can you explain this vulnerability to me?
This vulnerability is a stored cross-site scripting (XSS) issue in webplugins.foxit.com. It occurs because a postMessage handler does not properly validate the origin of incoming messages and directly assigns an externalPath value to a script source. This flaw allows an attacker to execute arbitrary JavaScript code by sending a crafted postMessage to the vulnerable component.