CVE-2023-45756 HIGH

CVE-2023-45756: WordPress ApplyOnline – Application Form Builder and Manager Plugin <= 2.5.2 is vulnerable to Cross Site Scripting (XSS)

Vendor Spider Teams
Product ApplyOnline – Application Form Builder and Manager
Weakness CWE-79 · XSS
Published October 24, 2023
Last update April 28, 2026
View on NVD All CVEs

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 Spider Teams ApplyOnline – Application Form Builder and Manager plugin <= 2.5.2 versions.

Explanation of Vulnerability in Simple Terms

02Summary

ApplyOnline versions up to 2.5.2 contain a cross-site scripting (XSS) vulnerability in the application form builder. An attacker can inject malicious scripts into form fields that execute in the browsers of users who view the form. The vulnerability requires user interaction—a victim must visit a page containing the malicious form. This can lead to session hijacking, credential theft, or defacement.

What an attacker can do

03Attacker Capabilities

Inject malicious scripts into forms that execute in visitors' browsers, potentially stealing session cookies or credentials.

Potential impact on your site

04Site Impact

Form submissions and user data may be compromised; visitors' browsers could be redirected or have malware injected.

Conditions required to exploit

05Prerequisites

No authentication required. Victim must visit a page containing the malicious form.

Key dates

06Disclosure timeline

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

Related vulnerabilities

08Related CVE

CVE-2026-13425 Database for CF7 <= 1.2.6 - Unauthenticated Stored Cross-Site Scripting via Array Form Field Values CVE-2026-8791 Booking System Trafft <= 1.0.17 - Authenticated (Subscriber+) Stored Cross-Site Scripting CVE-2026-65519 WordPress Photo Gallery plugin <= 2.7.7.29 - Cross Site Scripting (XSS) vulnerability CVE-2026-65503 WordPress Ultimate Store Kit Elementor Addons plugin <= 3.0.5 - Cross Site Scripting (XSS) vulnerability CVE-2026-15648 Brands for WooCommerce <= 3.8.8 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'width' Shortcode Attribute