Stored cross-site scripting in Charts plugin for WordPress

1) Stored cross-site scripting

EUVDB-ID: #VU81120

Risk: Low

CVSSv3.1: 5.9 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N/E:U/RL:U/RC:C]

CVE-ID: CVE-2023-5062

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 "wp_charts" 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

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

WordPress Charts: 0.5.2 - 0.7.0

External links

http://plugins.trac.wordpress.org/browser/wp-charts/tags/0.7.0/wordpress_charts_js.php#L223
http://www.wordfence.com/threat-intel/vulnerabilities/id/2de2d2c5-1373-45b6-93a0-575713226669?source=cve
http://plugins.trac.wordpress.org/browser/wp-charts/tags/0.7.0/wordpress_charts_js.php#L229

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.