SB2019032116 - Cross-site scripting in WP Support Plus Responsive Ticket System for WordPress

Description

This security bulletin contains information about 1 vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2019-7299)

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in the submit_ticket.php module in the WP Support Plus Responsive Ticket System plugin 9.1.1 for WordPress when processing subject parameter in wp-content/plugins/wp-support-plus-responsive-ticket-system/includes/ajax/submit_ticket.php. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security 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://cert.kalasag.com.ph/news/research/cve-2019-7299-stored-xss-in-wp-support-plus-responsive-ticket-system/
• https://wordpress.org/plugins/wp-support-plus-responsive-ticket-system/#developers
• https://wpvulndb.com/vulnerabilities/9235