CVE-2026-11823 BookingPress Appointment Booking Pro <= 5.7.1 - Unauthenticated SQL Injection via 'store_service_date' Parameter

High 7.5 Published Updated

Unauthenticated attackers can exploit SQL injection in BookingPress Appointment Booking Pro to extract sensitive database information.

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-2026-11823?

CVE-2026-11823 is a high-severity SQL injection vulnerability in Repute Infosystems BookingPress Appointment Booking Pro, published on 1 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The BookingPress Appointment Booking Pro plugin for WordPress is vulnerable to SQL Injection via the 'store_service_date' parameter of the bpa_assign_staffmember_to_slots() function in versions up to and including 5.7.1. This is due to the explicit use of stripslashes_deep() on user-supplied POST data before it is interpolated verbatim into a SQL LIKE clause without use of $wpdb->prepare() or any parameterization. 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-2026-11823?

How do I fix CVE-2026-11823?

No fix has been published for CVE-2026-11823 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-2026-11823 being exploited?

There is no known exploitation of CVE-2026-11823 in the wild and no public exploit code.

Sources

Also known as GHSA-6qfc-c5qp-6g6q.

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