Medium severity5.9NVD Advisory· Published Mar 16, 2023· Updated Jun 17, 2026
CVE-2023-27494
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
streamlitPyPI | >= 0.63.0, < 0.81.0 | 0.81.0 |
Affected products
3- streamlit/streamlitv5Range: >= 0.63.0, < 0.81.0
Patches
Vulnerability mechanics
References
5- github.com/streamlit/streamlit/commit/afcf880c60e5d7538936cc2d9721b9e1bc02b075nvdPatchWEB
- github.com/advisories/GHSA-9c6g-qpgj-rvxwghsaADVISORY
- github.com/streamlit/streamlit/security/advisories/GHSA-9c6g-qpgj-rvxwnvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2023-27494ghsaADVISORY
- github.com/pypa/advisory-database/tree/main/vulns/streamlit/PYSEC-2023-50.yamlghsaWEB
News mentions
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