CVE-2023-27494: Streamlit, software for turning data scripts into web applications, had a cross-site scripting (XSS) vulnerability in ve
Summary
Streamlit, software that converts data scripts into web applications, had a cross-site scripting vulnerability (XSS, where an attacker injects malicious code that runs in a user's browser) in versions 0.63.0 through 0.80.0. An attacker could craft a malicious URL containing JavaScript code, trick a user into clicking it, and the Streamlit server would execute that code in the victim's browser.
Solution / Mitigation
Update to version 0.81.0, which contains a patch for this vulnerability.
Vulnerability Details
5.9(medium)
EPSS: 0.8%
Classification
Affected Vendors
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Original source: https://nvd.nist.gov/vuln/detail/CVE-2023-27494
First tracked: February 15, 2026 at 08:47 PM
Classified by LLM (prompt v3) · confidence: 75%