CVE-2025-66502: Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Page Templates Feature

Published Dec 19, 2025
·
Updated

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 Software

2 affected components
Foxit pdfonline.foxit.com
Foxit PDF Editor Cloud<2025-12-01

Event History

Dec 19, 2025
CVE Published
via MITRE·07:25 AM
Data Sourced
via MITRE·07:25 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·08:15 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-66502?

CVE-2025-66502 has a high severity due to its potential for allowing stored cross-site scripting attacks.

2

How do I fix CVE-2025-66502?

To fix CVE-2025-66502, ensure that proper input validation and output encoding are implemented to sanitize template names stored in the application.

3

What type of vulnerability is CVE-2025-66502?

CVE-2025-66502 is a stored cross-site scripting (XSS) vulnerability.

4

What component is affected by CVE-2025-66502?

The Page Templates feature in the pdfonline.foxit.com application is affected by CVE-2025-66502.

5

Can CVE-2025-66502 be exploited remotely?

Yes, CVE-2025-66502 can be exploited remotely by injecting scripts that execute in the context of users accessing the compromised templates.

Contact

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