Vulnerability identifier: #VU26598

Vulnerability risk: Low

CVSSv3.1: 6.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2020-5392

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Login by Auth0
Web applications / Modules and components for CMS

Vendor: auth0 on WordPress

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 settings page. A remote attacker 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.

Mitigation
Install update from vendor's website.

Vulnerable software versions

Login by Auth0: 3.1.1 - 3.11.3

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External links
http://auth0.com/docs/security/bulletins/2020-03-31_wpauth0
http://github.com/auth0/wp-auth0/releases
http://github.com/auth0/wp-auth0/security/advisories/GHSA-59vf-cgfw-6h6v
http://wpvulndb.com/vulnerabilities/10160/

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.