Answer in brief
CVE-2026-17021 records a Medium severity (CVSS 5.3) vulnerability in Salon Booking System – Free Version < 10.30.34 - Unauthenticated Arbitrary Booking Total Tampering. The current sources do not mark it as known exploited. The current feed maps Unknown/Salon Booking System (generic), Unknown/Salon Booking System (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.3. 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/Salon Booking System (generic), Unknown/Salon Booking System (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Salon Booking Systemgeneric | 0 | Not reported |
| Unknown/Salon Booking Systemgeneric | >=0 <10.30.34 | 10.30.34 |
Published upstream
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 10, 2026
The Salon Booking System WordPress plugin before 10.30.34 does not properly restrict access to some of its booking-modification AJAX actions and does not verify ownership of the targeted booking, allowing unauthenticated users to tamper with the stored total of arbitrary bookings.
Quoted source text, attributed separately from HOL analysis.
Answer in brief
CVE-2026-17021 records a Medium severity (CVSS 5.3) vulnerability in Salon Booking System – Free Version < 10.30.34 - Unauthenticated Arbitrary Booking Total Tampering. The current sources do not mark it as known exploited. The current feed maps Unknown/Salon Booking System (generic), Unknown/Salon Booking System (generic). Check affected ranges and fixed versions before updating.
Analysis pending evidence review
HOL Guard separates source facts from reviewed analysis. See the methodology.
CVSS is 5.3. 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/Salon Booking System (generic), Unknown/Salon Booking System (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Salon Booking Systemgeneric | 0 | Not reported |
| Unknown/Salon Booking Systemgeneric | >=0 <10.30.34 | 10.30.34 |
Published upstream
Aug 10, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Aug 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Aug 10, 2026
The Salon Booking System WordPress plugin before 10.30.34 does not properly restrict access to some of its booking-modification AJAX actions and does not verify ownership of the targeted booking, allowing unauthenticated users to tamper with the stored total of arbitrary bookings.
Quoted source text, attributed separately from HOL analysis.