CVE-2024-1720: user registration XSS — Fix

Description

The User Registration – Custom Registration Form, Login Form, and User Profile WordPress Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Display Name' parameter in all versions up to, and including, 3.1.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This vulnerability requires social engineering to successfully exploit, and the impact would be very limited due to the attacker requiring a user to login as the user with the injected payload for execution.

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CVSS v3.1 Score

4.7

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
wpeverest	user_registration_\&_membership	< 3.1.5

References

Advisories & Patches

https://plugins.trac.wordpress.org/changeset/3045419/user-registration/trunk/includes/class-ur-shortcodes.php https://plugins.trac.wordpress.org/changeset/3045419/user-registration/trunk/includes/class-ur-shortcodes.php

Other References

https://plugins.trac.wordpress.org/browser/user-registration/trunk/includes/class-ur-shortcodes.php#L288 https://www.wordfence.com/threat-intel/vulnerabilities/id/62b809dc-4089-4822-8aeb-7049fcfe376e?source=cve https://plugins.trac.wordpress.org/browser/user-registration/trunk/includes/class-ur-shortcodes.php#L288 https://www.wordfence.com/threat-intel/vulnerabilities/id/62b809dc-4089-4822-8aeb-7049fcfe376e?source=cve

Frequently Asked Questions

What is CVE-2024-1720? +

The User Registration – Custom Registration Form, Login Form, and User Profile WordPress Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'Display Name' parameter in all versions up to, and including, 3.1.4 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This vulnerability requires social engineering to successfully exploit, and the impact would be very limited due to the attacker requiring a user to login as the user with the injected payload for execution. It has a CVSS v3.1 base score of 4.7 (MEDIUM).

How severe is CVE-2024-1720? +

CVE-2024-1720 has a CVSS v3.1 score of 4.7 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-1720? +

CVE-2024-1720 affects products from wpeverest, specifically: user_registration_\&_membership. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-1720? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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