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OpenAdvisories
Medium · 6.3 CVE-2025-66521 EUVD-2025-204455GHSA-8wr8-qf33-p6vc

Foxit pdfonline.foxit.com Stored Cross-Site Scripting in Trusted Certificates Feature

Published Dec 19, 2025 · Updated Dec 19, 2025 · Assigned by Foxit

Description

A stored cross-site scripting (XSS) vulnerability exists in pdfonline.foxit.com within the Trusted Certificates feature. A crafted payload can be injected as the certificate name, which is later rendered into the DOM without proper sanitization. As a result, the injected script executes each time the Trusted Certificates view is loaded.

Affected products

VendorProductAffectedFixed
Foxit Software pdfonline.foxit.com before 2025‑12‑01 —

References