CVE-2026-1591

CVE-2026-1591 is a stored cross-site scripting vulnerability in Foxit PDF Editor Cloud (pdfonline) caused by an unescaped malicious username in the file upload list. The flaw allows arbitrary JavaScript execution when the uploaded list is displayed, affecting pdfonline.foxit.com prior to 2026-02-...

CVE-2025-66521

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 t...

CVE-2025-66502

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...

CVE-2025-66521

Summary: CVE-2025-66521 is a stored XSS in Foxit’s pdfonline.foxit.com, specifically in the Trusted Certificates feature. What’s affected: The certificate name field accepts crafted input that is later rendered into the DOM without proper sanitization. Root cause: Insufficient sanitization of the...

CVE-2025-66502

CVE-2025-66502 describes a stored cross-site scripting (XSS) vulnerability in Foxit’s pdfonline.foxit.com Page Templates. A crafted payload can be stored as the template name and later rendered into the DOM without proper sanitization, causing the injected script to execute each time the affected...