CVE-2023-2298 HIGH

CVE-2023-2298: Online Booking & Scheduling Calendar for WordPress by vcita <= 4.3.0 - Unauthenticated Stored Cross-Site Scripting

Vendor Vcita
Product Online Booking & Scheduling Calendar for WordPress by vcita
Weakness CWE-79 · XSS
Published June 3, 2023
Last update April 8, 2026

CVSS base score

7.2/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

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

What the vulnerability does

01Description

The Online Booking & Scheduling Calendar for WordPress by vcita plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'business_id' parameter in versions up to, and including, 4.3.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Explanation of Vulnerability in Simple Terms

02Summary

The vcita Online Booking & Scheduling Calendar plugin for WordPress versions 4.3.0 and earlier contains a stored cross-site scripting (XSS) vulnerability. An attacker can inject malicious JavaScript that executes in the browsers of site visitors and administrators. The vulnerability affects the plugin's core functionality and can impact all users who interact with the booking calendar.

What an attacker can do

03Attacker Capabilities

Inject malicious JavaScript that runs in visitors' browsers, stealing session tokens, redirecting users, or defacing the booking interface.

Potential impact on your site

04Site Impact

Visitors and admins may have their sessions hijacked, be redirected to malicious sites, or see altered booking forms. Site reputation and user trust are at risk.

Conditions required to exploit

05Prerequisites

No authentication or user interaction required. The attacker can inject the payload directly via the plugin's input fields.

Key dates

06Disclosure timeline

June 3, 2023 CVE published
April 8, 2026 Record updated

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