What’s Vulnerable › Vulnerabilities
CVE-2025-47783: label-studio vulnerable to Cross-Site Scripting (Reflected) via the label_config parameter.
- Severity: medium (CVSS 6.1 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2025-05-14 · updated 2026-06-17
- Weakness: CWE-79
Description
Label Studio is a multi-type data labeling and annotation tool. A vulnerability in versions prior to 1.18.0 allows an attacker to inject a malicious script into the context of a web page, which can lead to data theft, session hijacking, unauthorized actions on behalf of the user, and other attacks. The vulnerability is reproducible when sending a properly formatted request to the `POST /projects/upload-example/` endpoint. In the source code, the vulnerability is located at `label_studio/projects/views.py`. Version 1.18.0 contains a patch for the issue.
Affected products
- HumanSignal label-studio: before 1.18.0 — fixed in 1.18.0
How to fix
Upgrade to a fixed version: HumanSignal label-studio 1.18.0. Check the vendor advisory for mitigations.
References
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