CVE-2026-15462
Description
The Sticky Chat Widget plugin for WordPress is vulnerable to SQL Injection via the 'scw_form_fields' parameter array keys of the 'scw_save_form_data' AJAX action in versions up to, and including, 1.4.2. This is due to the save_form_data() function passing attacker-controlled POST array keys unsanitized to $wpdb->insert(), which wraps column identifiers in backticks without escaping them, allowing a backtick in an attacker-supplied key to break out of the column-identifier list into raw SQL; additionally, the use of filter_input() bypasses WordPress's wp_magic_quotes() protection, and the widget_id validation loop is skipped entirely when no valid widget_id is supplied, leaving $isValid at 1. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
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/sticky-chat-widget/tags/1.4.2/includes/front-end.php#L141
- https://plugins.trac.wordpress.org/browser/sticky-chat-widget/tags/1.4.2/includes/front-end.php#L188
- https://plugins.trac.wordpress.org/browser/sticky-chat-widget/tags/1.4.2/includes/front-end.php#L60
- https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3640407%40sticky-chat-widget%2Ftrunk%2Fincludes%2Ffront-end.php&old=3349742%40sticky-chat-widget%2Ftrunk%2Fincludes%2Ffront-end.php&sfp_email=&sfph_mail=
- https://www.wordfence.com/threat-intel/vulnerabilities/id/35a49ba9-02a6-47cf-98f0-053b06036b08?source=cve
CWEs
CWE-89
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.