CVE-2025-43836 HIGH

CVE-2025-43836: WordPress Syndicate Out <= 0.9 - Cross Site Scripting (XSS) Vulnerability

Vendor Confuzzledduck
Product Syndicate Out
Weakness CWE-79 · XSS
Published May 19, 2025
Last update April 28, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

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.

Explanation of Vulnerability in Simple Terms

02Summary

Syndicate Out versions 0.9 and earlier contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into web pages viewed by other users. The vulnerability requires user interaction—typically clicking a malicious link—and can affect users across different parts of the application. An attacker can steal session cookies, redirect users, or deface content.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in other users' browsers, stealing cookies or redirecting them to phishing sites.

Potential impact on your site

04Site Impact

Users visiting crafted links could have their sessions hijacked or be redirected to malicious sites; site reputation may be damaged.

Conditions required to exploit

05Prerequisites

No authentication required. Victim must click a malicious link or visit an attacker-controlled page.

Key dates

06Disclosure timeline

May 19, 2025 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE