Cross-site scripting in CP Contact Form with PayPal - #VU18900
Published: June 25, 2019 / Updated: June 25, 2019
Vulnerability identifier: #VU18900
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/U:Clear
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
CP Contact Form with PayPal
CP Contact Form with PayPal
Software vendor:
CodePeople
CodePeople
Description
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 passed via the "item" HTTP GET 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.
PoC:
/wp-admin/admin.php?page=cp_contact_form_paypal.php&edit=1&cal=1&item=css"><img src=x onerror=alert(/XSS/)>&r=1Remediation
Install updates from vendor's website.