CVE-2023-51405

BookingPress <= 1.0.74 - Booking Price Manipulation via bookingpress_confirm_booking

2023-12-27 00:00

Strategic Overview

Status: Patched in 1.0.75
Affected Plugin: Appointment Booking Calendar Plugin and Scheduling Plugin – BookingPress
Affected Version: <= 1.0.74
CVSS: 7.5High
Weakness type: CWE-20 · Improper Input Validation
CVE: CVE-2023-51405

View all Appointment Booking Calendar Plugin and Scheduling Plugin – BookingPress vulnerabilities

At a glance

CVE-2023-51405 is a high-severity Improper Input Validation vulnerability in the Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin, affecting versions <= 1.0.74. It carries a CVSS score of 7.5 (reachable over the network; low attack complexity; high integrity impact). Exploitation requires no authentication. The issue is fixed in version 1.0.75; sites on affected versions should update now. Disclosed December 2023, reported by Abdi Pranata.

Vulnerability Overview

The BookingPress plugin for WordPress is vulnerable to booking price manipulation in all versions up to, and including, 1.0.74. This is due to insufficient validation checks within the bookingpress_confirm_booking function. This makes it possible for unauthenticated attackers to to modify the price of an appointment.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user. A successful exploit has high impact on integrity.

CWE-20: Improper Input Validation

Reaching this weakness in Appointment Booking Calendar Plugin and Scheduling Plugin <= 1.0.74 takes a caller who can reach the endpoint. Improper input validation means the application accepts input without confirming it has the form, type or range the code downstream assumes.

The concrete impact depends on where the unvalidated value lands, which is why records in this class range from cosmetic bugs to full compromise. For Appointment Booking Calendar Plugin and Scheduling Plugin the fix is 1.0.75: builds <= 1.0.74 are affected, anything from 1.0.75 onward is not.

Remediation

Update to version 1.0.75, or a newer patched version

How does WordSec protect against this?

The attempt arrives as an ordinary request to Appointment Booking Calendar Plugin and Scheduling Plugin: WordSec's web application firewall inspects request payloads before WordPress loads them. None of that substitutes for the fix: Appointment Booking Calendar Plugin and Scheduling Plugin 1.0.75 closes this, and updating the plugin is the step that ends it.

Firewall
Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2023-51405 https://www.wordfence.com/threat-intel/vulnerabilities/id/08f55882-d19f-43a3-a370-17d041493944 https://nvd.nist.gov/vuln/detail/CVE-2023-51405

Related records

Other vulnerabilities in Appointment Booking Calendar Plugin and Scheduling Plugin – BookingPress

CVSS Vector

7.5

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityHigh
AvailabilityNone

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