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Vulnerability record · CVE-2026-15335 · published 11 July 2026

CVE-2026-15335: SQL injection vulnerability

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.

7.5 CVSS 3.1 High EPSS 0.76% · top 46.4% CWE-89 · SQL injection Deferred
7.5CVSS 3.1 base score
0.76%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
10References
14 Jul 2026Last modified by NVD

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

LinkTags
https://plugins.trac.wordpress.org/browser/booking-package/tags/1.7.18/index.php#L243
https://plugins.trac.wordpress.org/browser/booking-package/tags/1.7.18/index.php#L4381
https://plugins.trac.wordpress.org/browser/booking-package/tags/1.7.18/lib/Schedule.php#L12793
https://plugins.trac.wordpress.org/browser/booking-package/tags/1.7.18/lib/Schedule.php#L9365
https://plugins.trac.wordpress.org/browser/booking-package/tags/1.7.20/index.php#L243
https://plugins.trac.wordpress.org/browser/booking-package/tags/1.7.20/index.php#L4381
https://plugins.trac.wordpress.org/browser/booking-package/tags/1.7.20/lib/Schedule.php#L12793
https://plugins.trac.wordpress.org/browser/booking-package/tags/1.7.20/lib/Schedule.php#L9365
https://plugins.trac.wordpress.org/changeset?reponame=&old=3602166%40booking-package&new=3602166%40booking-package
https://www.wordfence.com/threat-intel/vulnerabilities/id/8bc86a29-cb1f-4711-925c-51dbbf682477?source=cve

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Source: NIST National Vulnerability Database (record CVE-2026-15335), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.