SB20240620149 - Multiple vulnerabilities in TinyMCE

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Stored cross-site scripting (CVE-ID: CVE-2024-38356)

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 when using the noneditable_regexp option. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

2) Stored 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 when parsing noscript elements. A remote attacker can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Remediation

Install update from vendor's website.

References

• https://github.com/tinymce/tinymce/security/advisories/GHSA-9hcv-j9pv-qmph
• https://github.com/tinymce/tinymce/security/advisories/GHSA-w9jx-4g6g-rp7x