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CVE-2026-1591

Stored XSS via Attachments Feature in https://pdfonline.foxit.com/

CVSS 6.3 MEDIUMEPSS 0.2%CWE-79
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 2026‑02‑03.
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N

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