CVE-2026-16787
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.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
Propose a mitigation on Community Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
References
- https://plugins.trac.wordpress.org/browser/live-composer-page-builder/tags/2.1.18/includes/shortcodes.php#L84
- https://plugins.trac.wordpress.org/browser/live-composer-page-builder/tags/2.1.18/includes/shortcodes.php#L88
- https://plugins.trac.wordpress.org/browser/live-composer-page-builder/tags/2.1.18/includes/shortcodes.php#L89
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3662813%40live-composer-page-builder&new=3662813%40live-composer-page-builder
- https://www.wordfence.com/threat-intel/vulnerabilities/id/91febd9e-0b46-4f67-9ba0-97c01bf1c699?source=cve
CWEs
CWE-79
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.