SB2022010706 - Multiple vulnerabilities in WordPress
Published: January 7, 2022 Updated: May 31, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 4 secuirty vulnerabilities.
1) Stored cross-site scripting (CVE-ID: CVE-2022-21662)
The vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data in post slugs. A remote user can permanently 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) Code injection (CVE-ID: CVE-2022-21663)
The vulnerability allows a remote user to execute arbitrary code on the system.
The vulnerability exists due to improper input validation in some multisite installations. A remote user with Super Admin role can bypass explicit/additional hardening and inject certain objects.
Successful exploitation of this vulnerability may result in complete compromise of web application.
3) SQL injection (CVE-ID: CVE-2022-21661)
The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.
The vulnerability exists due to insufficient sanitization of user-supplied data in WP_Query. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.
Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.
4) SQL injection (CVE-ID: CVE-2022-21664)
The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.
The vulnerability exists due to insufficient sanitization of user-supplied data in WP_Meta_Query. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.
Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.
Remediation
Install update from vendor's website.