Which versions of Label Studio are affected by CVE-2025-47783?

Organizations using versions face notable risk from CVE-2025-47783, a cross-site scripting vulnerability rated CVSS 7.6.. A patch is available.

Is there a public PoC exploit available for CVE-2025-47783?

Yes, a public proof-of-concept exploit is available for CVE-2025-47783. Prioritise patching immediately. EPSS: 0.2%.

How to fix or mitigate CVE-2025-47783?

Within 30 days: Identify all affected systems running versions and apply vendor patches as part of regular patch cycle. Verify anti-CSRF tokens and content security policies are enforced.

Label Studio CVE-2025-47783

Q: What is the CVSS score of CVE-2025-47783?

CVE-2025-47783 has a CVSS 4.0 base score of 7.6 (High). CVSS 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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.2%.

HIGH

Cross-site Scripting (XSS) (CWE-79)

2025-05-14 security-advisories@github.com

GHSA-8jhr-wpcm-hh4h

XSS Label Studio

7.6

CVSS 4.0 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

7.6 HIGH

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Scope

Lifecycle Timeline

Patch released

Mar 31, 2026 - 21:13 nvd

Patch available

Analysis Generated

Mar 28, 2026 - 18:41 vuln.today

PoC Detected

Aug 22, 2025 - 20:24 vuln.today

Public exploit code

CVE Published

May 14, 2025 - 23:15 nvd

HIGH 7.6

Blast Radius

ecosystem impact

† from your stack dependencies † transitive graph · vuln.today resolves 4-path depth

1 pypi packages depend on label-studio (1 direct, 0 indirect)

Ecosystem-wide dependent count for version 1.18.0.

DescriptionGitHub Advisory

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.

AnalysisAI

Label Studio is a multi-type data labeling and annotation tool. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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 include: Humansignal Label Studio. Version information: prior to 1.18.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.