CVE-2020-9371

Stored XSS exists in the Appointment Booking Calendar plugin before 1.3.35 for WordPress. In the...

4.8 MediumPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: High
User interaction: Required

What an attacker can affect

Confidentiality: Low
Integrity: Low
Availability: None

Exploit likelihood

3.30%Down 2.1 points since Apr 14, 2021

What each source reports

NVD Score used 4.8

Record: CVE-2020-9371
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2020-9371
Updated: 2026-11-02

EUVDEUVD-2020-30192 No score

Record: EUVD-2020-30192
Updated: 2026-11-03

GitHub AdvisoriesGHSA-857r-rchh-235h 4.8

Stored XSS exists in the Appointment Booking Calendar plugin before 1.3.35 for WordPress. In the...

Record: GHSA-857r-rchh-235h
CVSS 3.1: 4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness: CWE-79
Updated: 2026-11-02

Affected products

codepeople appointment booking calendar

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	WordPress Plugin Appointment Booking Calendar 1.3.34 - CSV Injection	2020-03-12

History

History
Recorded	Changed	Sources
Nov 10, 2026	facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2020-9371 is a medium vulnerability (CVSS 4.8) in Codepeople Appointment Booking Calendar, published March 4, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 3.30%, the 88th percentile. No source names a fixed version.