SB2021041216 - Multiple vulnerabilities in Responsive Menu plugin for WordPress

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Cross-site request forgery (CVE-ID: CVE-2021-24162)

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in the "responsive-menu-import" and "responsive-menu-import-file" parameters on the responsive-menu page. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website.

2) Arbitrary file upload (CVE-ID: CVE-2021-24160)

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload in the "rmp_upload_theme" function in admin-post.php script. A remote authenticated attacker can upload a malicious file and execute it on the server.

3) Cross-site request forgery (CVE-ID: CVE-2021-24161)

The vulnerability allows a remote attacker to perform cross-site request forgery attacks.

The vulnerability exists due to insufficient validation of the HTTP request origin in the "responsive-menu-import" and "responsive-menu-import-file" parameters on the responsive-menu page. A remote attacker can trick the victim to visit a specially crafted web page and perform arbitrary actions on behalf of the victim on the vulnerable website, leading to arbitrary file upload.

Remediation

Install update from vendor's website.

References

• https://wpscan.com/vulnerability/923fc3a3-4bcc-4b48-870a-6150e14509b5
• https://www.wordfence.com/blog/2021/02/multiple-vulnerabilities-patched-in-responsive-menu-plugin/
• https://wpscan.com/vulnerability/066ba5d4-4aaa-4462-b106-500c1f291c37
• https://wpscan.com/vulnerability/efca27e0-bdb6-4497-8330-081f909d6933