CVE-2026-76586 json
BookingPress 1.5.6 - 1.6.2 - Unauthenticated Booking Price Manipulation via PayPal Payment Confirmation
published 2026-08-29 2 mo ago modified 2026-08-31 2 mo ago also EUVD-2026-68053
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.4%
- EPSS 0.4% chance of exploitation in 30 days, percentile 29%
- public exploits
- 0
- none known
Summary
The Appointment Booking Calendar Plugin and Scheduling Plugin WordPress plugin before 1.6.3 does not verify the amount actually paid against the server-side price staged for a booking when confirming an online payment, allowing unauthenticated users to have a paid appointment approved for a fraction of its price.
Patch / fix
- Unknown Appointment Booking Calendar Plugin and Scheduling Plugin 1.6.3
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.36% chance of exploitation in the next 30 days, higher than 29% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/bc74bc9b-92ce-434e-a21d-34d7525c8600/ referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected products
- Unknown Appointment Booking Calendar Plugin and Scheduling Plugin
Classification
- Weakness
-
- CWE-284 Improper Access Control
- Technology feeds
References
-
wpscan.com
/vulnerability/bc74bc9b-92ce-434e-a21d-34d7525c8600/
exploit, vdb-entry, technical-description
Sources
- CVE List CVE-2026-76586
- NVD CVE-2026-76586
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.