Cross-site scripting in TinyMCE - #VU87824

 

Cross-site scripting in TinyMCE - #VU87824

Published: March 26, 2024


Vulnerability identifier: #VU87824
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: N/A
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data when working with SVG images. A remote user can load a specially crafted SVG image through Object or Embed elements and execute arbitrary HTML and script code in user's browser in context of vulnerable website.


Affected software

TinyMCE

Remediation

Install updates from vendor's website.

TinyMCE - update to 7.0.0

External References

Related Security Bulletins