CVE-2024-22311 HIGH

CVE-2024-22311: WordPress Simply Schedule Appointments plugin <= 1.6.6.20 - Reflected Cross Site Scripting (XSS) vulnerability

Vendor N Squared
Product Simply Schedule Appointments
Weakness CWE-79 · XSS
Published March 27, 2024
Last update April 28, 2026

CVSS base score

7.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

What the vulnerability does

01Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in N Squared Simply Schedule Appointments allows Reflected XSS.This issue affects Simply Schedule Appointments: from n/a through 1.6.6.20.

Explanation of Vulnerability in Simple Terms

02Summary

Simply Schedule Appointments versions up to 1.6.6.20 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the application. An attacker can craft a malicious link that, when clicked by a site visitor, executes arbitrary JavaScript in the victim's browser. This can lead to session hijacking, credential theft, or defacement of the scheduling interface.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in a visitor's browser when they click a crafted link.

Potential impact on your site

04Site Impact

Visitors' sessions and credentials may be compromised; site reputation and user trust can be damaged.

Conditions required to exploit

05Prerequisites

The victim must click an attacker-supplied link or visit a page containing the malicious payload.

Key dates

06Disclosure timeline

March 27, 2024 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE