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Description

The Kunze Law plugin for WordPress is vulnerable to Stored Cross-Site Scripting via plugin's shortcode in all versions up to, and including, 2.1 due to the plugin fetching HTML content from a remote server and injecting it into pages without any sanitization or escaping. This makes it possible for authenticated attackers, with Administrator-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled. Additional presence of a path traversal vulnerability in the shortcode name allows writing malicious HTML files to arbitrary writable locations on the server.

PUBLISHED Reserved 2026-01-08 | Published 2026-01-14 | Updated 2026-01-14 | Assigner Wordfence




MEDIUM: 4.4CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N

Problem types

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Product status

Default status
unaffected

* (semver)
affected

Timeline

2025-12-14:Discovered
2026-01-13:Disclosed

Credits

ZAST.AI finder

References

www.wordfence.com/...-e562-4043-920d-275c58684328?source=cve

plugins.trac.wordpress.org/...nze-law/tags/2.1/kunze-law.php

plugins.trac.wordpress.org/...nze-law/tags/2.1/kunze-law.php

cve.org (CVE-2025-15486)

nvd.nist.gov (CVE-2025-15486)

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