CVE-2025-23909

WordPress Compare Ninja plugin <= 2.1.0 - Cross Site Scripting (XSS) vulnerability

6.5 Medium

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Common Ninja Compare Ninja compare-ninja-comparison-tables allows Stored XSS.This issue affects Compare Ninja: from n/a through <= 2.1.0.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: Low
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: Low

Exploit likelihood

0.38%Up 0.3 points since Jan 17, 2025

What each source reports

CVE List Score used 6.5

WordPress Compare Ninja plugin <= 2.1.0 - Cross Site Scripting (XSS) vulnerability

Record: CVE-2025-23909
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

EUVDEUVD-2025-3524 6.5

Record: EUVD-2025-3524
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Updated: 2026-11-02

GitHub AdvisoriesGHSA-pjrx-qcwx-wx4q 6.5

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

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Common Ninja Compare Ninja allows Stored XSS.This issue affects Compare Ninja: from n/a through 2.1.0.

Record: GHSA-pjrx-qcwx-wx4q
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

NVD 6.5

Record: CVE-2025-23909
CVSS 3.1: 6.5 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Weakness: CWE-79
Updated: 2026-11-02

Affected products

common ninja compare ninja

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-2025-23909 is a medium vulnerability (CVSS 6.5) in Common Ninja Compare Ninja, published January 16, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.38%, the 32nd percentile. No source names a fixed version.