SB2024050924 - Multiple vulnerabilities in Craft CMS

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Cross-site scripting (CVE-ID: N/A)

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 attacker can trick the victim to follow a specially crafted link 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.

2) Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) (CVE-ID: CVE-2024-45406)

The vulnerability allows a remote user to execute arbitrary script in the control panel.

The vulnerability exists due to improper neutralization of input during web page generation in breadcrumb list and title fields when rendering stored user-supplied category titles, entry titles, usernames, or full names. A remote user can store a specially crafted value in these fields to execute arbitrary script in the control panel.

User interaction is required to view an affected control panel page.

Remediation

Install update from vendor's website.

References

• https://github.com/craftcms/cms/releases/tag/5.1.2
• https://github.com/craftcms/cms/security/advisories/GHSA-28h4-788g-rh42
• https://github.com/advisories/GHSA-28h4-788g-rh42