CVE-2023-49173 MEDIUM

CVE-2023-49173: WordPress 10to8 Online Appointment Booking System Plugin <= 1.0.9 is vulnerable to Cross Site Scripting (XSS)

Vendor 10To8
Product Sign In Scheduling Online Appointment Booking System
Weakness CWE-79 · XSS
Published December 14, 2023
Last update April 28, 2026

CVSS base score

6.5/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction Required
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/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 10to8 Sign In Scheduling Online Appointment Booking System allows Stored XSS.This issue affects Sign In Scheduling Online Appointment Booking System: from n/a through 1.0.9.

Explanation of Vulnerability in Simple Terms

02Summary

The 10to8 Sign In Scheduling Online Appointment Booking System contains a cross-site scripting (XSS) vulnerability in versions up to 1.0.9. An authenticated user can inject malicious scripts that execute in other users' browsers when they interact with affected pages. The vulnerability requires user interaction to trigger and can affect the confidentiality, integrity, and availability of the application.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts that run in other users' browsers to steal data, modify page content, or disrupt the booking system.

Potential impact on your site

04Site Impact

Users' sessions and data can be compromised; attackers can impersonate users or deface the booking interface.

Conditions required to exploit

05Prerequisites

Attacker must have a low-privilege account and trick a victim into clicking a malicious link or visiting a crafted page.

Key dates

06Disclosure timeline

December 14, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

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