CVE-2026-15462 Sticky Chat Widget <= 1.4.2 - Unauthenticated SQL Injection
Unauthenticated attackers can inject SQL via the scw_form_fields parameter to extract sensitive database information from the Sticky Chat Widget plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15462?
CVE-2026-15462 is a high-severity SQL injection vulnerability in gingerplugins Sticky Chat Widget – Floating Chat Icons, Contact Form, Call, Click to Chat, Email & Message Buttons, published on 11 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Weakness: CWE-89
Which versions are affected by CVE-2026-15462?
How do I fix CVE-2026-15462?
No fix has been published for CVE-2026-15462 yet. Limit exposure of the affected software until one is available.
Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.
Is CVE-2026-15462 being exploited?
There is no known exploitation of CVE-2026-15462 in the wild and no public exploit code.
Sources
Also known as GHSA-x4cw-pxp4-3x6g.