Redirection for Contact Form 7 <= 2.3.3 - Unauthenticated Arbitrary Nonce Generation

7.5
Incorrect Authorization
CVE CVE-2021-24278
CVSS 7.5 (High)
Publicly Published April 20, 2021
Last Updated January 29, 2023
Researcher Chloe Chamberland - Wordfence

Description

In the Redirection for Contact Form 7 WordPress plugin before 2.3.4, unauthenticated users can use the wpcf7r_get_nonce AJAX action to retrieve a valid nonce for any WordPress action/function.

Wordfence blocked 2,064 attacks targeting this vulnerability in the past 24 hours.

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Vulnerability Details for Redirection for Contact Form 7

Software Type Plugin
Software Slug wpcf7-redirect (view on wordpress.org)
Patched? Yes
Remediation Update to version 2.3.4, or a newer patched version
Affected Version
  • < 2.3.4
Patched Version
  • 2.3.4

Recent vulnerabilities in Redirection for Contact Form 7

# Title CVE ID CVSS Researchers Date
1 Redirection for Contact Form 7 <= 3.2.8 - Unauthenticated Stored Cross-Site Scripting CVE-2026-23970 7.2 JongHwan Shin (zzzsleep) May 13, 2026
2 Redirection for Contact Form 7 <= 3.2.7 - Unauthenticated Arbitrary File Copy via move_file_to_upload CVE-2025-14800 8.1 LionTree December 20, 2025
3 Redirection for Contact Form 7 <= 3.2.6 - Authenticated (Contributor+) Stored Cross-Site Scripting via qs_date Shortcode CVE-2025-9562 6.4 Muhammad Yudha - DJ October 17, 2025
4 Redirection for Contact Form 7 <= 3.2.4 - Unauthenticated Arbitrary File Deletion CVE-2025-8141 8.8 Phat RiO August 19, 2025
5 Redirection for Contact Form 7 <= 3.2.4 - Unauthenticated PHP Object Injection via PHAR Deserialization CVE-2025-8289 7.5 Phat RiO August 19, 2025
6 Redirection for Contact Form 7 <= 3.2.4 - Unauthenticated PHP Object Injection CVE-2025-8145 8.8 Phat RiO August 19, 2025
7 Redirection for Contact Form 7 <= 2.9.2 - Missing Authorization CVE-2023-39920 5.3 Nguyen Anh Tien October 3, 2023
8 Freemius SDK <= 2.5.9 - Reflected Cross-Site Scripting via fs_request_get CVE-2023-33999 6.1 Rafie Muhammad July 18, 2023
9 Redirection for Contact Form 7 <= 2.7.0 - Authenticated(Editor+) Privilege Escalation CVE-2023-23990 7.2 Rafie Muhammad February 6, 2023
10 Redirection for Contact Form 7 <= 2.4.0 - Missing Authorization CVE-2021-36913 5.3 mirphak September 29, 2022

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