CVE-2026-1591 – Stored XSS via Attachments Feature in https://pdfonline.foxit.com/

CVE ID : CVE-2026-1591

Published : Feb. 3, 2026, 8:16 a.m. | 1 hour, 1 minute ago

Description : Foxit PDF Editor Cloud (pdfonline) contains a stored cross-site scripting vulnerability in the file upload feature. A malicious username is embedded into the upload file list without proper escaping, allowing arbitrary JavaScript execution when the list is displayed.

This issue affects pdfonline.Foxit.Com: before 2026‑02‑01.

Severity: 6.3 | MEDIUM

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