Cross-site request forgery in Booking Ultra Pro
Priority LOW 27CWE-352Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Tampering, Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-352 and CWE-79.
Summary
Cross-Site Scripting (XSS) via Cross-Site Request Forgery (CSRF) vulnerability in Booking Ultra Pro plugin <= 1.1.4 at WordPress.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00275 20th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- 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 |
|---|---|---|---|---|---|
| Booking Ultra Pro | Booking Ultra Pro (WordPress plugin) | <= 1.1.4 – 1.1.4 | — | No fix listed | CNA |
- Booking Ultra Pro (WordPress plugin) VendorBooking Ultra Pro Affected <= 1.1.4 – 1.1.4 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:bookingultrapro:booking_ultra_pro_appointments_booking_calendar:*:*:*:*:*:wordpress:*:* | up to 1.1.4 | Vulnerable | Booking Ultra Pro |
- cpe:2.3:a:bookingultrapro:booking_ultra_pro_appointments_booking_calendar:*:*:*:*:*:wordpress:*:* Versions up to 1.1.4 Vulnerable ·Booking Ultra Pro
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-36855
- 2026-10-03 Alias added: GHSA-85qp-4q9c-33vh
References
More Booking Ultra Pro Appointments Booking Calendar vulnerabilities
- TI-2022-23162 WordPress Booking Ultra Pro Plugin <= 1.1.4 is vulnerable to Cross Site Request Forgery (CSRF) CVSS 3.1HIGH 8.8
- TI-2021-14951 WordPress Booking Ultra Pro plugin <= 1.1.4 - Multiple Cross-Site Request Forgery (CSRF) vulnerabilities CVSS 3.1HIGH 8.8
- TI-2023-15793 WordPress Booking Ultra Pro Plugin <= 1.1.8 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1HIGH 7.1
Sources
- CVE-2021-36855 · CVE Program
- CVE-2021-36855 · NVD
- FIRST EPSS
- GHSA-85qp-4q9c-33vh · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences