CVE-2026-1591CWE-79

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

Medium · published February 3, 2026

CVSS v3.1
6.3
EPSS
0%
Percentile
12.8
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.00228 · 12.8th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-02-03T07:57Z
EPSS history
Timeline
  • 03 FEB 07:57Z
    Stored XSS via Attachments Feature in https://pdfonline.foxit.com/
    cvelistv5