PT-2026-3544 · Foxit · Foxit Esign

Novee · Published 2026-01-20 · Updated 2026-02-04 · CVE-2025-66523

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions na1.foxitesign.foxit.com versions prior to 2026-01-16

Description The software embeds URL parameters directly into JavaScript code and HTML attributes without proper encoding or sanitization. This allows attackers to inject arbitrary scripts when an authenticated user visits a specially crafted link.

Recommendations Update to a version prior to 2026-01-16.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-66523

Affected Products

Foxit Esign

References · 6

• https://foxit.com/support/security-bulletins.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-66523 · Security Note
• https://t.me/CVEtracker/42603 · Telegram Post
• https://twitter.com/ThreatSynop/status/2018705671542251968 · Twitter Post
• https://twitter.com/TweetThreatNews/status/2019048360972275849 · Twitter Post
• https://twitter.com/CVEnew/status/2013517530472550545 · Twitter Post