Medium severity6.3NVD Advisory· Published Dec 19, 2025· Updated Jun 17, 2026
CVE-2025-66521
CVE-2025-66521
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.
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Affected products
3- Foxit Software Inc./pdfonline.foxit.comv5Range: before 2025‑12‑01
Patches
Vulnerability mechanics
References
1- www.foxit.com/support/security-bulletins.htmlnvdVendor Advisory
News mentions
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