Vulnerability · Published May 14, 2025 · Assigned by GitHub_M
CVE-2025-47783label-studio vulnerable to Cross-Site Scripting (Reflected) via the label_config parameter.
High 7.6
In plain English
A high-severity cross-site scripting in label-studio from HumanSignal. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.6% (higher than 49% of all known vulnerabilities). Ready-made attack tooling exists: Nuclei. Fixed versions are available - upgrade the affected package.
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| PyPI | label-studio | 1.18.0 | GHSA-8jhr-wpcm-hh4h |
| PyPI | label-studio | 1.18.0 | PYSEC-2025-124 |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| HumanSignal | label-studio | < 1.18.0 |
Weakness: CWE-79 · Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:H/VI:H/VA:N/SC:L/SI:L/SA:N