CVE-2023-32511 HIGH

CVE-2023-32511: WordPress Booking Ultra Pro Plugin <= 1.1.8 is vulnerable to Cross Site Scripting (XSS)

Vendor Booking Ultra Pro
Product Booking Ultra Pro Appointments Booking Calendar Plugin
Weakness CWE-79 · XSS
Published August 24, 2023
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

Unauth. Reflected Cross-Site Scripting (XSS) vulnerability in Booking Ultra Pro Booking Ultra Pro Appointments Booking Calendar Plugin plugin <= 1.1.8 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Booking Ultra Pro versions up to 1.1.8 contain a cross-site scripting (XSS) vulnerability that allows attackers to inject malicious scripts into the plugin. An attacker can craft a malicious link that, when clicked by a site visitor, executes JavaScript in their browser. This can lead to session hijacking, credential theft, or malware distribution. The vulnerability affects the plugin's scope across the site.

What an attacker can do

03Attacker Capabilities

Inject and execute malicious JavaScript in visitors' browsers to steal credentials or hijack sessions.

Potential impact on your site

04Site Impact

Visitors to your site could have their sessions hijacked or credentials stolen if they click attacker-controlled links.

Conditions required to exploit

05Prerequisites

Attacker must trick a site visitor into clicking a malicious link (user interaction required); no authentication needed.

Key dates

06Disclosure timeline

August 24, 2023 CVE published
April 28, 2026 Record updated

Related vulnerabilities

08Related CVE