Answer in brief
CVE-2026-88995 records a Medium severity (CVSS 5.3) vulnerability in Bookit < 2.6.0.1 - Unauthenticated Appointment PII Disclosure via Availability Check. The current sources do not mark it as known exploited. The current feed maps Unknown/Bookit — Booking & Appointment Calendar (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/Bookit — Booking & Appointment Calendar (generic). Check affected ranges and fixed versions before updating.
| Package | Affected range | Fixed version |
|---|---|---|
| Unknown/Bookit — Booking & Appointment Calendargeneric | >=0 <2.6.0.1 | 2.6.0.1 |
Published upstream
Sep 13, 2026
Evidence: source:cvelist:source_dates:source-dates:recordSource modified
Sep 14, 2026
Evidence: source:cvelist:source_dates:source-dates:recordFirst seen by HOL
Sep 13, 2026
The Bookit — Booking & Appointment Calendar WordPress plugin before 2.6.0.1 does not properly restrict the data returned by an availability-check request, allowing unauthenticated users to retrieve other customers' appointment details, including free-text booking comments and contact information.
Quoted source text, attributed separately from HOL analysis.