SB2025012944 - Cross-site scripting in Contact Form 7 Redirect & Thank You Page plugin for WordPress

Description

This security bulletin contains information about 1 vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2024-12423)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in the "post" parameter. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Remediation

Install update from vendor's website.

References

• https://plugins.trac.wordpress.org/browser/cf7-redirect-thank-you-page/tags/1.0.7/includes/admin/tabs_page.php#L87
• https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3220810%40cf7-redirect-thank-you-page&new=3220810%40cf7-redirect-thank-you-page&sfp_email=&sfph_mail=#file19
• https://www.wordfence.com/threat-intel/vulnerabilities/id/9d67965c-f8f3-4868-a261-81cfc80dbcb3?source=cve