CVE-2017-16782: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

May 17, 2022 (updated July 27, 2023)

In Home Assistant before 0.57, it is possible to inject JavaScript code into a persistent notification via crafted Markdown text, aka XSS.

References

github.com/advisories/GHSA-7wfq-wmx2-3wr4
github.com/home-assistant/home-assistant-polymer/pull/514
nvd.nist.gov/vuln/detail/CVE-2017-16782

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