Vulnerability Description
The Live Composer – Free WordPress Website Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'dslc_custom_field' Shortcode in all versions up to, and including, 2.1.19 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://plugins.trac.wordpress.org/browser/live-composer-page-builder/tags/2.1.1
- https://plugins.trac.wordpress.org/browser/live-composer-page-builder/tags/2.1.1
- https://plugins.trac.wordpress.org/browser/live-composer-page-builder/tags/2.1.1
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3662813%40live-compos
- https://www.wordfence.com/threat-intel/vulnerabilities/id/91febd9e-0b46-4f67-9ba
FAQ
What is CVE-2026-16787?
CVE-2026-16787 is a vulnerability with a CVSS score of 6.4 (MEDIUM). The Live Composer – Free WordPress Website Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'dslc_custom_field' Shortcode in all versions up to, and including, 2.1.19 due ...
How severe is CVE-2026-16787?
CVE-2026-16787 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-16787?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.