Answer in brief
CVE-2026-16282 records a Unknown severity vulnerability in Appointment Hour Booking < 1.5.88 - Unauthenticated Booking Price Manipulation via tcost Parameter. The current sources do not mark it as known exploited. The current feed maps Unknown/Appointment Hour Booking (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
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.
The current feed maps Unknown/Appointment Hour Booking (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Appointment Hour Bookinggeneric | >=0 <1.5.88 | 1.5.88 |
Published upstream
Aug 8, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 8, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 8, 2026
The Appointment Hour Booking WordPress plugin before 1.5.88 does not validate a client-supplied booking price against the server-side configured service price, allowing unauthenticated users to submit an arbitrary final price (including zero or negative) that is stored as the authoritative booking price, corrupting booking and payment records.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-16282 records a Unknown severity vulnerability in Appointment Hour Booking < 1.5.88 - Unauthenticated Booking Price Manipulation via tcost Parameter. The current sources do not mark it as known exploited. The current feed maps Unknown/Appointment Hour Booking (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
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.
The current feed maps Unknown/Appointment Hour Booking (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Appointment Hour Bookinggeneric | >=0 <1.5.88 | 1.5.88 |
Published upstream
Aug 8, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 8, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 8, 2026
The Appointment Hour Booking WordPress plugin before 1.5.88 does not validate a client-supplied booking price against the server-side configured service price, allowing unauthenticated users to submit an arbitrary final price (including zero or negative) that is stored as the authoritative booking price, corrupting booking and payment records.
Quoted source text, attributed separately from HOL analysis.