CVE-2025-22558: WordPress mcjh button shortcode plugin <= 1.6.4 - Cross Site Scripting (XSS) vulnerability

Severity: medium (CVSS 6.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-01-07 · updated 2026-06-17
Weakness: CWE-79

Description

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.

Affected products

Marcus C. J. Hartmann mcjh button shortcode: through 1.6.4

References

https://patchstack.com/database/Wordpress/Plugin/mcjh-button-shortcode/vulnerability/wordpress-mcjh-button-shortcode-plugin-1-6-4-cross-site-scripting-xss-vulnerability?_s_id=cve

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