BookingPress 1.5.6 - 1.6.2 - Unauthenticated Booking Price Manipulation via PayPal Payment Confirmation (CVE-2026-76586) | HOL Guard CVE

Unknown severity · Source severity not reportedCVE-2026-76586

BookingPress 1.5.6 - 1.6.2 - Unauthenticated Booking Price Manipulation via PayPal Payment Confirmation

Answer in brief

CVE-2026-76586 records a Unknown severity vulnerability in BookingPress 1.5.6 - 1.6.2 - Unauthenticated Booking Price Manipulation via PayPal Payment Confirmation. The current sources do not mark it as known exploited. The current feed maps Unknown/Appointment Booking Calendar Plugin and Scheduling Plugin (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 29, 2026Updated Aug 29, 2026Source checked Aug 29, 2026First seen by HOL Aug 29, 2026Material review Aug 29, 2026

Upstream Advisory

Key facts

Risk: Unknown severitySource severity not reported
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Unknown/Appointment Booking Calendar Plugin and Scheduling Plugin (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
Unknown/Appointment Booking Calendar Plugin and Scheduling Plugingeneric	>=1.5.6 <1.6.3	1.6.3

Recommended response

Check inventory. Check lockfiles and deployed manifests for Unknown/Appointment Booking Calendar Plugin and Scheduling Plugin.
Review the reported fix. Update Unknown/Appointment Booking Calendar Plugin and Scheduling Plugin to 1.6.3 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

Published upstream
Aug 29, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Aug 29, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Aug 29, 2026

Sources and claim methodology

Source referencewpscan.com

Upstream source description

The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.6.3 does not verify the amount actually paid against the server-side price staged for a booking when confirming an online payment, allowing unauthenticated users to have a paid appointment approved for a fraction of its price.

Quoted source text, attributed separately from HOL analysis.