SB2022071817 - Stored cross-site scripting in Simple e-Learning System

Description

This security bulletin contains information about 1 security vulnerability.

1) Stored cross-site scripting (CVE-ID: CVE-2022-2396)

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 Bio parameter in the /vcs/claire_blake endpoint. 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.

Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.

References

• https://github.com/CyberThoth/CVE/blob/83c243538386cd0761025f85eb747eab7cae5c21/CVE/Simple%20e-Learning%20System/Cross%20Site%20Scripting(Stored)/POC.md
• https://vuldb.com/?id.203779