Stored Cross-Site Scripting Vulnerability in Foxit PDF Editor Cloud
CVE-2026-1591

6.3MEDIUM

Key Information:

Vendor

Foxit Inc.

Status
PDFonline.foxit.com
Vendor
CVE Published:
3 February 2026

What is CVE-2026-1591?

Foxit PDF Editor Cloud has a vulnerability within its file upload feature that permits stored cross-site scripting. This arises from an improperly escaped malicious username embedded in the upload file list, which can lead to the execution of arbitrary JavaScript when this list is displayed. Ensuring secure output handling practices can mitigate the risk associated with this issue.

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Deploy the Patch

Affected Version(s)

pdfonline.foxit.com before 2026‑02‑03

References

https://www.foxit.com/support/security-bulletins.html

CVSS V3.1

Score:
6.3
Severity:
MEDIUM
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Novee
JSON
.