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Description

The WP Hallo Welt plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.4. This is due to missing or incorrect nonce validation on the 'hallo_welt_seite' function. This makes it possible for unauthenticated attackers to update plugin settings and inject malicious web scripts via a forged request granted they can trick a site administrator into performing an action such as clicking on a link. Due to the insufficient input sanitization and output escaping, this can lead to Stored Cross-Site Scripting.

PUBLISHED Reserved 2025-11-18 | Published 2025-12-20 | Updated 2025-12-20 | Assigner Wordfence




MEDIUM: 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Problem types

CWE-352 Cross-Site Request Forgery (CSRF)

Product status

Default status
unaffected

* (semver)
affected

Timeline

2025-12-19:Disclosed

Credits

JohSka finder

References

www.wordfence.com/...-a335-4734-bbcd-d400bd44bc89?source=cve

plugins.trac.wordpress.org/...hallo-welt/trunk/hallowelt.php

plugins.trac.wordpress.org/...o-welt/tags/1.4./hallowelt.php

plugins.trac.wordpress.org/...hallo-welt/trunk/hallowelt.php

plugins.trac.wordpress.org/...hallo-welt/trunk/hallowelt.php

plugins.trac.wordpress.org/...hallo-welt/trunk/hallowelt.php

plugins.trac.wordpress.org/...hallo-welt/trunk/hallowelt.php

cve.org (CVE-2025-13365)

nvd.nist.gov (CVE-2025-13365)

Download JSON

Data based on CVE®. Copyright © 1999-2025, The MITRE Corporation. All rights reserved.