CVE-2025-22558

WordPress mcjh button shortcode plugin <= 1.6.4 - Cross Site Scripting (XSS) vulnerability

6.5 Medium

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Marcus C. J. Hartmann mcjh button shortcode mcjh-button-shortcode allows Stored XSS.This issue affects mcjh button shortcode: from n/a through <= 1.6.4.

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

0.29%Up 0.2 points since Jan 8, 2025

What each source reports

CVE List Score used 6.5

WordPress mcjh button shortcode plugin <= 1.6.4 - Cross Site Scripting (XSS) vulnerability

Record: CVE-2025-22558
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-2025-2836 6.5

Record: EUVD-2025-2836
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-x57h-9xpv-xxrx 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 Marcus C. J. Hartmann mcjh button shortcode allows Stored XSS.This issue affects mcjh button shortcode: from n/a through 1.6.4.

Record: GHSA-x57h-9xpv-xxrx
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-2025-22558
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

marcus c. j. hartmann mcjh button shortcode

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-2025-22558 is a medium vulnerability (CVSS 6.5) in Marcus C. J. Hartmann Mcjh Button Shortcode, published January 7, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.29%, the 22nd percentile. No source names a fixed version.