SB2024121153 - Cross-site scripting in Broadcast plugin for WordPress

Description

This security bulletin contains information about 1 security vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2024-11379)

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 "do_check" 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://plugins.trac.wordpress.org/browser/threewp-broadcast/trunk/src/maintenance/controller.php#L55
• https://plugins.trac.wordpress.org/changeset/3200309/threewp-broadcast/trunk/src/maintenance/controller.php
• https://www.wordfence.com/threat-intel/vulnerabilities/id/e9bf506f-17b1-4ec3-87ce-1ed78db6fb0b?source=cve