What is CVE-2025-47783?

CVE-2025-47783 is a medium-severity vulnerability in Humansignal Label-Studio, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-05-14.

How severe is CVE-2025-47783?

Medium severity. CVSS v3 base score is 6.1 out of 10.

Is CVE-2025-47783 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Humansignal Label-Studio

CVE-2025-47783

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (46.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Humansignal Label-studio — versions < 1.18.0
Humansignal Label_studio

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

Medok228/Medok228

References

security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)

Frequently asked questions

What is CVE-2025-47783?: CVE-2025-47783 is a medium-severity vulnerability in Humansignal Label-Studio, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-05-14.
How severe is CVE-2025-47783?: Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2025-47783 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.