Bookit < 2.6.0.1 - Unauthenticated Appointment PII Disclosure via Availability Check
Priority LOW 30CWE-200Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-200.
Summary
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.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00345 28th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed Bookit — Booking & Appointment Calendar (Unknown): 2.6.0.1
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Bookit — Booking & Appointment Calendar | before 2.6.0.1 | 2.6.0.1 | Patch available | CNA |
- Bookit — Booking & Appointment Calendar VendorUnknown Affected before 2.6.0.1 Fixed in 2.6.0.1 Patch available CNA
Remediation
- Fix · CNA Bookit — Booking & Appointment Calendar (Unknown) Fixed in 2.6.0.1
Timeline
- 2026-10-02 Threatist record created from CVE-2026-88995
- 2026-10-03 Alias added: GHSA-h8fj-8c8p-pcww
References
Sources
- CVE-2026-88995 · CVE Program
- CVE-2026-88995 · NVD
- FIRST EPSS
- GHSA-h8fj-8c8p-pcww · GitHub Advisory Database · CC BY 4.0
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