SB2024110824 - Cross-site scripting in BBP Core – Expand bbPress powered forums with useful features plugin for WordPress

Description

This security bulletin contains information about 1 security vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2024-9896)

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 "add_query_arg" 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/threat-intel/vulnerabilities/id/a329cf0a-8800-470a-9657-452f26112956?source=cve
• https://plugins.trac.wordpress.org/browser/bbp-core/trunk/includes/features/bbpc_attachments/code/front.php#L284
• https://wordpress.org/plugins/bbp-core/#developers
• https://plugins.trac.wordpress.org/changeset/3179353/