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CVE-2021-39267

Description

Persistent cross-site scripting (XSS) in the web interface of SuiteCRM before 7.11.19 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.

POC

Reference

- https://thanhlocpanda.wordpress.com/2021/07/31/file-upload-bypass-suitecrm-7-11-18/

Github

No PoCs found on GitHub currently.