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Description

The Beaver Builder Page Builder – Drag and Drop Website Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the `js` Global Settings parameter in all versions up to, and including, 2.10.0.5 due to missing capability checks on save_global_settings() function and insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Custom-level access and above who have been granted beaver builder access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

PUBLISHED Reserved 2026-01-20 | Published 2026-02-11 | Updated 2026-02-11 | Assigner Wordfence




MEDIUM: 6.4CVSS:3.1/AV:N/AC:L/PR:L/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

2026-01-07:Discovered
2026-01-20:Vendor Notified
2026-02-10:Disclosed

Credits

Athiwat Tiprasaharn finder

Itthidej Aramsri finder

Waris Damkham finder

References

www.wordfence.com/...-44d7-432d-85aa-3fdb117e1898?source=cve

plugins.trac.wordpress.org/...2/classes/class-fl-builder.php

plugins.trac.wordpress.org/...ses/class-fl-builder-model.php

plugins.trac.wordpress.org/...sses/class-fl-builder-ajax.php

cve.org (CVE-2026-1231)

nvd.nist.gov (CVE-2026-1231)

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