XSS in Lucascaro Wavr
CVE-2026-5506
The Wavr plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `wave` shortcode in all versions up to, and including, 0.2.6. This is due to insufficient input sanitization and output escaping on user supplied a…
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.000 (13.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.
Affected products
- Lucascaro Wavr — versions 0
Weakness classification (CWE)
References
- www.wordfence.com/threat-intel/vulnerabilities/id/d8987bc5-2bc0-4a92-bcf0-cc324…
- plugins.trac.wordpress.org/browser/wavr/tags/0.2.6/wavr.php
- plugins.trac.wordpress.org/browser/wavr/trunk/wavr.php
- plugins.trac.wordpress.org/browser/wavr/tags/0.2.6/wavr.php
- plugins.trac.wordpress.org/browser/wavr/trunk/wavr.php
Frequently asked questions
- What is CVE-2026-5506?
- CVE-2026-5506 is a medium-severity vulnerability in Lucascaro Wavr, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-04-08.
- How severe is CVE-2026-5506?
- Medium severity. CVSS v3 base score is 6.4 out of 10.