CVE-2026-15335 Booking Package <= 1.7.20 - Unauthenticated SQL Injection via 'email' Form Parameter

High 7.5 Published Updated

Unauthenticated attackers can perform SQL injection via the email parameter to extract sensitive database information from the Booking Package WordPress 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-2026-15335?

CVE-2026-15335 is a high-severity SQL injection vulnerability in masaakitanaka Booking Package, published on 11 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The Booking Package plugin for WordPress is vulnerable to generic SQL Injection via 'email' Form Parameter (form<N>) in all versions up to, and including, 1.7.20 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. 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. The vulnerable REST API endpoint /wp-json/booking-package/v1/request is registered with permission_callback: __return_true and wp_magic_quotes does not apply to REST-sourced $_POST values, meaning single quotes in the payload reach the SQL sink intact without any authentication requirement. The impact of this is severely limited as the vulnerable parameter goes through is_email.

Weakness: CWE-89

Which versions are affected by CVE-2026-15335?

How do I fix CVE-2026-15335?

No fix has been published for CVE-2026-15335 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-2026-15335 being exploited?

There is no known exploitation of CVE-2026-15335 in the wild and no public exploit code.

Sources

Also known as GHSA-3h3p-33f5-225r.

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