Stored cross-site scripting in WordPress Landing Page - Squeeze Page - Responsive Landing Page Builder Free - WP Lead Plus X - CVE-2020-11509
Published: April 8, 2020
Vulnerability identifier: #VU26699
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-11509
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: Landing Pages Builder Free
Affected software:
WordPress Landing Page - Squeeze Page - Responsive Landing Page Builder Free - WP Lead Plus X
WordPress Landing Page - Squeeze Page - Responsive Landing Page Builder Free - WP Lead Plus X
Detailed vulnerability 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 in the "c37_wpl_import_template" and "admin_post" action. A remote attacker can inject 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.
How to mitigate CVE-2020-11509
Install update from vendor's website.