SB2019122006 - Multiple vulnerabilities in 301 Redirects – Easy Redirect Manager plugin for WordPress

Description

This security bulletin contains information about 3 secuirty vulnerabilities.

1) Open redirect (CVE-ID: CVE-2019-19915)

The vulnerability allows a remote attacker to redirect victims to arbitrary URL.

The vulnerability exists due to the lack of capability checks on the AJAX actions. A remote authenticated attacker can create a link that leads to a trusted website, however, when clicked, redirects the victim to arbitrary domain.

Successful exploitation of this vulnerability may allow a remote attacker to perform a phishing attack and steal potentially sensitive information.

2) Cross-site request forgery (CVE-ID: CVE-2019-19915)

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 within the AJAX actions. 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.

3) Cross-site scripting (CVE-ID: CVE-2019-19915)

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 ID 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://www.wordfence.com/blog/2019/12/critical-vulnerability-patched-in-301-redirects-easy-redirect...