What is CVE-2026-17090?

CVE-2026-17090 is a medium-severity vulnerability in Beaverbuilder Beaver Builder Page – Drag And Drop Website, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-08-15.

How severe is CVE-2026-17090?

Medium severity. CVSS v3 base score is 6.4 out of 10.

XSS in Beaverbuilder Beaver Builder Page – Drag And Drop Website

CVE-2026-17090

The Beaver Builder Page Builder – Drag and Drop Website Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Button Module 'button' (Button Code) Setting in all versions up to, and including, 2.10.2.2 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with author-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. Beaver Builder grants editor access to any WordPress role holding the edit_posts capability by default, meaning Author-level users and above can exploit this vulnerability.

Vulnerability class: XSS (Cross-Site Scripting)

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

Beaverbuilder Beaver Builder Page – Drag And Drop Website — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

Frequently asked questions

What is CVE-2026-17090?: CVE-2026-17090 is a medium-severity vulnerability in Beaverbuilder Beaver Builder Page – Drag And Drop Website, classified under Cross-site Scripting. CVSS score: 6.4/10. Published 2026-08-15.
How severe is CVE-2026-17090?: Medium severity. CVSS v3 base score is 6.4 out of 10.