Bypassing Sanitization using DOM clobbering

Overview

All versions of html-janitor are vulnerable to cross-site scripting (XSS).

Arbitrary HTML can pass the sanitization process, which can be unexpected and dangerous (XSS) in case user-controlled input is passed to the clean function."

Recommendation

Upgrade to version 2.0.4 or later.

References

• GitHub Issue
• HackerOne Report
• GitHub Advisory