PT-2025-52428 · Foxit · Foxit Webplugins

Novee + 1 · Published 2025-12-19 · Updated 2025-12-19 · CVE-2025-66500

Positive Technologies (AI Summary)

CVSS v3.1

6.3

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions Foxit WebPlugins (affected versions not specified)

Description A stored cross-site scripting (XSS) issue exists due to a failure to validate the message origin within a postMessage handler. Specifically, the externalPath is directly assigned to a script source without proper validation, enabling an attacker to execute arbitrary JavaScript code when a specially crafted postMessage is received.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-66500

Affected Products

Foxit Webplugins

References · 7

• https://osv.dev/vulnerability/CVE-2025-66500 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-66500 · Security Note
• https://foxit.com/support/security-bulletins.html · Vendor Advisory
• https://t.me/cveNotify/146301 · Telegram Post
• https://twitter.com/VulmonFeeds/status/2001979630635356180 · Twitter Post
• https://t.me/CVEtracker/40254 · Telegram Post
• https://twitter.com/CVEnew/status/2002099174582727103 · Twitter Post