SB2020042334 - Multiple vulnerabilities in WP GDPR plugin

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Stored cross-site scripting (CVE-ID: N/A)

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. A remote attacker can inject 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.

2) Spoofing attack (CVE-ID: N/A)

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can spoof page content, gain full control over the WordPress "comments" table in the database and tamper with any of its 14 fields: change the content of all comments, assign them to another user or to another post, bypass moderation/approval etc.

3) Improper access control (CVE-ID: N/A)

The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.

The vulnerability exists due to improper access restrictions. A remote attacker can bypass implemented security restrictions and delete any comment as well as modify the plugin’s settings.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• https://wpvulndb.com/vulnerabilities/10185/
• https://blog.nintechnet.com/unauthenticated-stored-xss-and-content-spoofing-vulnerabilities-in-wordpress-wp-gdpr-plugin-unpatched/