SB2024012108 - Cross-site scripting in TinyMCE
Published: January 21, 2024
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Cross-site scripting (CVE-ID: CVE-2024-21910)
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 URL processing logic of the image and link plugins.. 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.
Remediation
Install update from vendor's website.
References
- https://github.com/tinymce/tinymce/security/advisories/GHSA-r8hm-w5f7-wj39
- https://github.com/jazzband/django-tinymce/issues/366
- https://github.com/jazzband/django-tinymce/releases/tag/3.4.0
- https://pypi.org/project/django-tinymce/3.4.0/
- https://github.com/advisories/GHSA-r8hm-w5f7-wj39
- https://vulncheck.com/advisories/vc-advisory-GHSA-r8hm-w5f7-wj39