CVE-2025-43836

WordPress Syndicate Out <= 0.9 - Cross Site Scripting (XSS) Vulnerability

7.1 High

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.23%Up 0.2 points since May 20, 2025

What each source reports

CVE List Score used 7.1

WordPress Syndicate Out <= 0.9 - Cross Site Scripting (XSS) Vulnerability

Record: CVE-2025-43836
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-15801 7.1

Record: EUVD-2025-15801
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-r7vh-rp85-3p35 7.1

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')...

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

Record: GHSA-r7vh-rp85-3p35
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 7.1

Record: CVE-2025-43836
CVSS 3.1: 7.1 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

Affected products

confuzzledduck syndicate out

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2025-43836 is a high vulnerability (CVSS 7.1) in Confuzzledduck Syndicate Out, published May 19, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.23%, the 13th percentile. No source names a fixed version.