Suitecrm · Suitecrm · CVE-2021-39267
**Name of the Vulnerable Software and Affected Versions**
SuiteCRM versions prior to 7.11.19
**Description**
The issue allows a remote attacker to introduce arbitrary JavaScript via a Content-Type Filter bypass to upload malicious files. This occurs because text/html is blocked, but other types that allow JavaScript execution, such as text/xml, are not blocked.
**Recommendations**
For versions prior to 7.11.19, update to version 7.11.19 or later to resolve the issue. As a temporary workaround, consider restricting file uploads to only necessary types and validating the Content-Type header to prevent malicious file uploads.