Stored XSS exists in the Appointment Booking Calendar plugin before 1.3.35 for WordPress.
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- High
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Stored XSS exists in the Appointment Booking Calendar plugin before 1.3.35 for WordPress. In the cpabc_appointments.php file, the Calendar Name input could allow attackers to inject arbitrary JavaScript or HTML.
Why it matters now
EPSS 0.03303 88th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:codepeople:appointment_booking_calendar:*:*:*:*:*:wordpress:*:* | before 1.3.35 | Vulnerable | codepeople |
- cpe:2.3:a:codepeople:appointment_booking_calendar:*:*:*:*:*:wordpress:*:* Versions before 1.3.35 Vulnerable ·codepeople
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-9371
- 2026-10-03 Alias added: GHSA-857r-rchh-235h
References
Exploit 2
More codepeople Appointment Booking Calendar vulnerabilities
- TI-2024-00790 Booking Calendar < 1.3.83 - CSRF appointment scheduling CVSS 3.1HIGH 8.8
- TI-2024-11385 BookingPress < 1.1.23 - Unauthenticated Export File Download CVSS 3.1HIGH 7.5
- TI-2025-28999 WordPress Appointment Booking Calendar plugin <= 1.3.92 - Broken Access Control Vulnerability CVSS 3.1CRITICAL 9.8
- TI-2016-08954 The appointment-booking-calendar plugin before 1.1.24 for WordPress has SQL injection, a… CVSS 3.0CRITICAL 9.8
- TI-2020-07494 The Appointment Booking Calendar plugin before 1.3.35 for WordPress allows user input (in… CVSS 3.1HIGH 7.8
- TI-2022-21272 WordPress Appointment Booking Calendar plugin <= 1.3.69 - Missing Authorization vulnerability CVSS 3.1HIGH 8.8
Sources
- CVE-2020-9371 · CVE Program
- CVE-2020-9371 · NVD
- FIRST EPSS
- GHSA-857r-rchh-235h · 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