Stored cross-site scripting in Popup Builder - Responsive WordPress Pop up - Subscription & Newsletter - #VU21937
Published: October 18, 2019
Vulnerability identifier: #VU21937
CSH Severity: Low
CVSSv4.0: 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:P/U:Clear
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Popup Builder - Responsive WordPress Pop up - Subscription & Newsletter
Popup Builder - Responsive WordPress Pop up - Subscription & Newsletter
Software vendor:
Sygnoos
Sygnoos
Description
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists "Add Post" or "Add Page" due to insufficient sanitization of user-supplied data passed via the HTTP GET parameter to the "/wordpress/wp-admin/post-new.php" script. 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.
Remediation
Install updates from vendor's website.