CVE-2023-27494

Description

Streamlit, software for turning data scripts into web applications, had a cross-site scripting (XSS) vulnerability in versions 0.63.0 through 0.80.0. Users of hosted Streamlit app(s) were vulnerable to a reflected XSS vulnerability. An attacker could craft a malicious URL with Javascript payloads to a Streamlit app. The attacker could then trick the user into visiting the malicious URL and, if successful, the server would render the malicious javascript payload as-is, leading to XSS. Version 0.81.0 contains a patch for this vulnerability.

How to fix CVE-2023-27494

To remediate CVE-2023-27494, upgrade the affected package to a fixed version below.

• —upgrade to 0.81.0 or later
• —upgrade to afcf880c60e5d7538936cc2d9721b9e1bc02b075 or later

Is CVE-2023-27494 being exploited?

Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.

Affected packages (2)

• >= 0.63.0, < 0.81.0
• from 0, < afcf880c60e5d7538936cc2d9721b9e1bc02b075 | >= 0.63.0, < 0.81.0

CVSS scores

References (5)

• ADVISORYnvd.nist.gov/vuln/detail/CVE-2023-27494
• PATCHgithub.com/streamlit/streamlit
• WEBgithub.com/pypa/advisory-database/tree/main/vulns/streamlit/PYSEC-2023-50.yaml
• WEBgithub.com/streamlit/streamlit/commit/afcf880c60e5d7538936cc2d9721b9e1bc02b075