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7.1

Syndicate Out lets attackers inject malicious web code

CVE-2025-43836 · published 1 year ago
Summary

The Syndicate Out web component can be tricked into displaying user‑provided data without proper cleaning, allowing a reflected cross‑site scripting attack. An attacker could craft a link that, when clicked, runs unwanted scripts in a visitor’s browser, potentially stealing information or altering page content. Update Syndicate Out to version 0.9 or later, or apply the vendor’s recommended patch to sanitize input.

Original advisory text
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 Ou...
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.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit
  • Gives an attacker partial control
Severity
7.1 High
Exploitation
<1% chance of attack within 30 days
Type
CWE-79Cross-site Scripting (XSS)
Timeline
Published19 May 2025
Updated4 Nov 2026
First seen7 Mar 2026
Sources
CVE-2025-43836 · NVD
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