XSS in Bestweblayout Contact Form To Db By Bestwebsoft – Messages Database Plugin For WordPress
CVE-2026-13359
The Contact Form to DB by BestWebSoft – Messages Database Plugin For WordPress plugin for WordPress is vulnerable to Stored Cross-Site Scripting via cntctfrm_contact_dropdown Parameter in all versions up to, and including, 1.7.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The injected payload executes in the context of an administrator's browser session when they visit the plugin's message manager page at /wp-admin/admin.php?page=cntctfrmtdb_manager, making it possible to compromise administrator-level sessions via a simple unauthenticated contact form submission.
Vulnerability class: XSS (Cross-Site Scripting)
CVSS v3 metric
CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-13359?
- CVE-2026-13359 is a high-severity vulnerability in Bestweblayout Contact Form To Db By Bestwebsoft – Messages Database Plugin For WordPress, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-09-09.
- How severe is CVE-2026-13359?
- High severity. CVSS v3 base score is 7.2 out of 10.