Synopsis: Streamlit open source publicizes a prior security fix implemented in 2021. The vulnerability affected Streamlit versions between 0.63.0 and 0.80.0 (inclusive) and was patched on April 21, 2021. If you are using Streamlit with version before 0.63.0 or after 0.80.0, no action is required.
Streamilt Open Source versions between 0.63.0 and 0.80.0.
On April 21, 2021, Streamlit merged a patch that fixed a cross-site scripting (XSS) vulnerability in the Streamlit open source library, without an associated public advisory. The vulnerability affected Streamlit versions between 0.63.0 and 0.80.0 (inclusive), which are no longer supported. We recommend using the latest version of our library, but so long as you are not using an affected Streamlit version, no action is required.
On April 20, 2021, Streamlit was informed via our support forum about a XSS vulnerability in the open source library. We fixed and merged a patch remediating the vulnerability on April 21st, 2021. The issue was determined to be in the moderate severity range with a maximum CVSSv3 base score of 5.9
Streamlit fixed and merged a patch for this vulnerability on April 21, 2021. The vulnerability was fixed within 24hrs of notification to Streamlit.
The vulnerability has been fixed in all Streamlit versions released since April 21, 2021. The affected versions – those between 0.63.0 and 0.80.0 (inclusive) – are no longer supported. We recommend always using supported versions of the Streamlit open source library. Version 1.19.0 is current as of this advisory.
Please contact firstname.lastname@example.org if you have any questions regarding this advisory. If you discover a security vulnerability in one of our products or websites, please report the issue to HackerOne. For more information, please see our Vulnerability Disclosure Policy.