CVE-2026-1591mediumCWE-79

CVE-2026-1591: medium-severity vulnerability in Foxit Software Inc. pdfonline.foxit.com

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

Published

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.3epss 0.2%
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
Affected products
Foxit Software Inc. · pdfonline.foxit.com
Related CVEs — Foxit Software Inc. pdfonline.foxit.com

In the same product, most dangerous first.

CVE-2026-1592MEDIUMStored XSS via Create New Layer Field found in Foxit PDF Editor CloudEPSS 0.2%CVE-2025-66522MEDIUMFoxit pdfonline.foxit.com Stored Cross-Site Scripting in Digital IDs Common Name FieldEPSS 0.2%CVE-2025-66520MEDIUMFoxit pdfonline.foxit.com Stored Cross-Site Scripting in Portfolio SVG HandlingEPSS 0.2%CVE-2025-66519MEDIUMFoxit pdfonline.foxit.com Stored Cross-Site Scripting in Layer Import FunctionalityEPSS 0.2%CVE-2025-66502MEDIUMFoxit pdfonline.foxit.com Stored Cross-Site Scripting in Page Templates FeatureEPSS 0.2%CVE-2025-66501MEDIUMFoxit pdfonline.foxit.com Stored Cross-Site Scripting in eSign Predefined Text FeatureEPSS 0.2%