CVE-2025-43836: Confuzzledduck Syndicate Out

High severity, CVSS 7.1. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in confuzzledduck Syndicate Out syndicate-out allows Reflected XSS.This issue affects Syndicate Out: from n/a through <= 0.9.

Affected products

• Confuzzledduck Syndicate Out: up to and including 0.9

Published 2025-05-19. Last modified 2026-06-17.