Stored cross-site scripting in Widget Responsive for Youtube plugin for WordPress

1) Stored cross-site scripting

EUVDB-ID: #VU81087

Risk: Low

CVSSv3.1: 5.6 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-5063

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

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 "youtube" shortcode. A remote user 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.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Youtube Widget Responsive: 0.1 - 1.6.1

CPE2.3

• cpe:2.3:a:stefanoai:youtube-widget-responsive:0.1:*:*:*:*:*:*:
• cpe:2.3:a:stefanoai:youtube-widget-responsive:0.2:*:*:*:*:*:*:
• cpe:2.3:a:stefanoai:youtube-widget-responsive:0.4:*:*:*:*:*:*:

External links

http://www.wordfence.com/threat-intel/vulnerabilities/id/72daa533-8b17-420c-9b51-b5f72da2726c?source=cve
http://plugins.trac.wordpress.org/browser/youtube-widget-responsive/trunk/youtube-widget-responsive.php?rev=2905626#L246
http://plugins.trac.wordpress.org/changeset/2968766/youtube-widget-responsive#file1

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?

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