CVE-2026-2508
Received Received - Intake
Time-Based SQL Injection in Gravity Forms Booking WordPress Plugin

Publication date: 2026-06-25

Last updated on: 2026-06-25

Assigner: Wordfence

Description
The Gravity Forms Booking plugin for WordPress is vulnerable to time-based SQL Injection via the ‘staff_id’ parameter in all versions up to, and including, 2.7.1 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with Subscriber-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
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Meta Information
Published
2026-06-25
Last Modified
2026-06-25
Generated
2026-06-25
AI Q&A
2026-06-25
EPSS Evaluated
N/A
NVD
CVE-2026-2508
EUVD
EUVD-2026-39167
Affected Vendors & Products
Showing 2 associated CPEs
Vendor Product Version / Range
gravity_forms gravity_forms_booking to 2.7.1 (inc)
gravity_forms gravity_forms_booking to 2.7.2 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-89 The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.
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Executive Summary

CVE-2026-2508 is a time-based SQL Injection vulnerability in the Gravity Forms Booking plugin for WordPress, affecting all versions up to and including 2.7.1. The vulnerability arises because the 'staff_id' parameter is not properly escaped or prepared in SQL queries. This allows authenticated users with Subscriber-level access or higher to inject additional SQL commands into existing queries.

By exploiting this flaw, attackers can extract sensitive information from the database by appending malicious SQL queries.

Impact Analysis

This vulnerability can lead to unauthorized disclosure of sensitive data stored in the database because attackers can execute additional SQL queries through the vulnerable 'staff_id' parameter.

Since the attack requires only Subscriber-level access, it lowers the barrier for exploitation by authenticated users, potentially compromising confidentiality of data.

The CVSS base score of 6.5 indicates a medium severity impact, primarily affecting confidentiality without impacting integrity or availability.

Mitigation Strategies

The immediate step to mitigate this vulnerability is to update the Gravity Forms Booking plugin to version 2.7.2 or later.

Version 2.7.2 includes code improvements and deprecates legacy versions that may contain unresolved security issues, including the time-based SQL Injection vulnerability.

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