Contact Form by Supsystic <= 1.7.24 - Cross-Site Request Forgery via AJAX action

5.4
Cross-Site Request Forgery (CSRF)
CVE CVE-2023-2528
CVSS 5.4 (Medium)
Publicly Published May 16, 2023
Last Updated January 22, 2024
Researcher Marco Wotschka - Wordfence

Description

The Contact Form by Supsystic plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.7.24. This is due to missing or incorrect nonce validation on the AJAX action handler. This makes it possible for unauthenticated attackers to execute AJAX actions via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

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Vulnerability Details for Contact Form by Supsystic

Software Type Plugin
Software Slug contact-form-by-supsystic (view on wordpress.org)
Patched? Yes
Remediation Update to version 1.7.25, or a newer patched version
Affected Version
  • <= 1.7.24
Patched Version
  • 1.7.25

Recent vulnerabilities in Contact Form by Supsystic

# Title CVE ID CVSS Researchers Date
1 Contact Form by Supsystic <= 1.7.36 - Unauthenticated Server-Side Template Injection via Prefill Functionality CVE-2026-4257 9.8 Azril Fathoni (kiseki) March 30, 2026
2 Contact Form by Supsystic <= 1.7.36 - Reflected Cross-Site Scripting CVE-2025-52753 6.1 63n0 August 18, 2025
3 Contact Form by Supsystic <= 1.7.29 - Cross-Site Request Forgery to Stored Cross-Site Scripting via saveAsCopy AJAX Action CVE-2024-13452 6.1 Tim Coen April 15, 2025
4 Contact Form by Supsystic <= 1.7.28 - Authenticated (Administrator+) Stored Cross-Site Scripting CVE-2024-48046 4.4 UKO October 14, 2024
5 Contact Form by Supsystic <= 1.7.28 - Authenticated (Admin+) Remote Code Execution CVE-2024-48042 7.2 Hakiduck October 13, 2024
6 Contact Form by Supsystic <= 1.7.27 - Cross-Site Request Forgery CVE-2023-45068 4.3 Taihei Shimamine October 3, 2023
7 Contact Form by Supsystic < 1.7.20 - Authenticated (Admin+) Stored Cross-Site Scripting 5.5 Murat DEMIRCI October 28, 2021
8 Contact Form by Supsystic <= 1.7.14 - Reflected Cross-Site scripting CVE-2021-24276 6.1 0xB9 April 19, 2021
9 Contact Form by Supsystic <= 1.7.10 - SQL Injections 8.8 Erik David Martin February 8, 2021

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