SB2015101101 - Cross-site scripting in Payment Form for PayPal Pro for WordPress

Description

This security bulletin contains information about 1 security vulnerability.

1) Cross-site scripting (CVE-ID: CVE-2015-7666)

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

An input validation error exists in the (1) cp_updateMessageItem and (2) cp_deleteMessageItem functions in cp_ppp_admin_int_message_list.inc.php in the Payment Form for PayPal Pro plugin before 1.0.2 for WordPress when processing the cal parameter. 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

• http://www.securityfocus.com/archive/1/536602/100/0/threaded
• https://plugins.trac.wordpress.org/changeset/1254452/payment-form-for-paypal-pro
• https://wordpress.org/plugins/payment-form-for-paypal-pro/#developers
• https://wpvulndb.com/vulnerabilities/8210