1. Home
  2. CVE Database
  3. CVE-2025-66501
MEDIUM · 6.3

CVE-2025-66501

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 N...

Vulnerability 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.

CVSS Score

6.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
FoxitPdf Editor Cloud< 2025-12-01

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2025-66501?

CVE-2025-66501 is a vulnerability with a CVSS score of 6.3 (MEDIUM). 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 N...

How severe is CVE-2025-66501?

CVE-2025-66501 has been rated MEDIUM with a CVSS base score of 6.3/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-66501?

Check the references section above for vendor advisories and patch information. Affected products include: Foxit Pdf Editor Cloud.