CVE-2026-87894 json
Rox Appointment Booking 1.0.9 - 1.2.2 - Unauthenticated Customer PII Disclosure via IDOR
published 2026-09-12 57 d ago modified 2026-09-14 55 d ago also EUVD-2026-76804
- cvss
- 5.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 25%
- public exploits
- 0
- none known
Summary
The Rox Appointment Booking WordPress plugin before 1.2.3 does not perform any authorization check on the endpoint that returns a booking's confirmation details, and each booking is addressed by a sequential numeric identifier, allowing unauthenticated attackers to read any customer's name, email, phone, booking details and payment status by enumerating that identifier.
Patch / fix
- Unknown Rox Appointment Booking 1.2.3
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 57 d ago
Exploit prediction
0.32% chance of exploitation in the next 30 days, higher than 25% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/3f098db1-5406-4a77-adb1-99a66eb806a4/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
| CNA | 3.1 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
Affected products
- Unknown Rox Appointment Booking
Classification
- Weakness
-
- CWE-639 Authorization Bypass Through User-Controlled Key
References
-
wpscan.com
/vulnerability/3f098db1-5406-4a77-adb1-99a66eb806a4/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-87894
- NVD CVE-2026-87894
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.