#VU27929 Stored cross-site scripting in Login/Signup Popup ( Inline Form + Woocommerce )

Vulnerability identifier: #VU27929

Vulnerability risk: Medium

CVSSv4.0: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:A/U:Green]

CVE-ID: N/A

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Login/Signup Popup ( Inline Form + Woocommerce )
Web applications / Modules and components for CMS

Vendor: XootiX

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. A remote authenticated 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.

Note: The vulnerability is being actively exploited in the wild.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Login/Signup Popup ( Inline Form + Woocommerce ): 1.0 - 1.4

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External links
https://wpvulndb.com/vulnerabilities/10225/
https://blog.nintechnet.com/zero-day-vulnerability-fixed-in-wordpress-login-signup-popup-plugin/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

Yes. This vulnerability is being exploited in the wild.