id: PYSEC-2024-249
modified: 2025-05-19T11:22:35.312280Z
published: 2024-02-22T22:15:47Z
aliases:
- CVE-2024-26152
- GHSA-6xv9-957j-qfhg
details: |
  ### Summary
  On all Label Studio versions prior to 1.11.0, data imported via file upload feature is not properly sanitized prior to being rendered within a [`Choices`](https://labelstud.io/tags/choices) or [`Labels`](https://labelstud.io/tags/labels) tag, resulting in an XSS vulnerability.

  ### Details
  Need permission to use the "data import" function. This was reproduced on Label Studio 1.10.1.

  ### PoC

  1. Create a project.
  ![Create a project](https://github.com/HumanSignal/label-studio/assets/3943358/9b1536ad-feac-4238-a1bd-ca9b1b798673)

  2. Upload a file containing the payload using the "Upload Files" function.
  ![2  Upload a file containing the payload using the Upload Files function](https://github.com/HumanSignal/label-studio/assets/3943358/26bb7af1-1cd2-408f-9adf-61e31a5b7328)
  ![3  complete](https://github.com/HumanSignal/label-studio/assets/3943358/f2f62774-1fa6-4456-9e6f-8fa1ca0a2d2e)

  The following are the contents of the files used in the PoC
  ```
  {
    "data": {
      "prompt": "labelstudio universe image",
      "images": [
        {
          "value": "id123#0",
          "style": "margin: 5px",
          "html": "<img width='400' src='https://labelstud.io/_astro/images-tab.64279c16_ZaBSvC.avif' onload=alert(document.cookie)>"
        }
      ]
    }
  }
  ```

  3. Select the text-to-image generation labeling template of Ranking and scoring
  ![3  Select the text-to-image generation labelling template for Ranking and scoring](https://github.com/HumanSignal/label-studio/assets/3943358/f227f49c-a718-4738-bc2a-807da4f97155)
  ![5  save](https://github.com/HumanSignal/label-studio/assets/3943358/9b529f8a-8e99-4bb0-bdf6-bb7a95c9b75d)

  4. Select a task
  ![4  Select a task](https://github.com/HumanSignal/label-studio/assets/3943358/71856b7a-2b1f-44ea-99ab-fc48bc20caa7)

  5. Check that the script is running
  ![5  Check that the script is running](https://github.com/HumanSignal/label-studio/assets/3943358/e396ae7b-a591-4db7-afe9-5bab30b48cb9)

  ### Impact
  Malicious scripts can be injected into the code, and when linked with vulnerabilities such as CSRF, it can cause even greater damage. In particular, It can become a source of further attacks, especially when linked to social engineering.
affected:
- package:
    ecosystem: PyPI
    name: label-studio
    purl: pkg:pypi/label-studio
  ranges:
  - type: GIT
    events:
    - introduced: "0"
    - fixed: 5df9ae3828b98652e9fa290a19f4deedf51ef6c8
    repo: https://github.com/humansignal/label-studio
  - type: ECOSYSTEM
    events:
    - introduced: "0"
    - fixed: 1.11.0
  versions:
  - 0.4.1
  - 0.4.2
  - 0.4.3
  - 0.4.4
  - 0.4.4.post1
  - 0.4.4.post2
  - 0.4.5
  - 0.4.6
  - 0.4.6.post1
  - 0.4.6.post2
  - 0.4.7
  - 0.4.8
  - 0.5.0
  - 0.5.1
  - 0.6.0
  - 0.6.1
  - 0.7.0
  - 0.7.1
  - 0.7.2
  - 0.7.3
  - 0.7.4
  - 0.7.4.post0
  - 0.7.4.post1
  - 0.7.5.post1
  - 0.7.5.post2
  - 0.8.0
  - 0.8.0.post0
  - 0.8.1
  - 0.8.1.post0
  - 0.8.2
  - 0.8.2.post0
  - 0.9.0
  - 0.9.0.post2
  - 0.9.0.post3
  - 0.9.0.post4
  - 0.9.0.post5
  - 0.9.1
  - 0.9.1.post0
  - 0.9.1.post1
  - 0.9.1.post2
  - 1.0.0
  - 1.0.0.post0
  - 1.0.0.post1
  - 1.0.0.post2
  - 1.0.0.post3
  - 1.0.1
  - 1.0.2
  - 1.0.2.post0
  - 1.1.0
  - 1.1.0rc0
  - 1.1.1
  - 1.10.0
  - 1.10.0.post0
  - 1.10.1
  - "1.2"
  - "1.3"
  - 1.3.post0
  - 1.3.post1
  - "1.4"
  - 1.4.1
  - 1.4.1.post0
  - 1.4.1.post1
  - 1.5.0
  - 1.5.0.post0
  - 1.6.0
  - 1.7.0
  - 1.7.1
  - 1.7.2
  - 1.7.3
  - 1.8.0
  - 1.8.1
  - 1.8.2
  - 1.8.2.post0
  - 1.8.2.post1
  - 1.9.0
  - 1.9.1
  - 1.9.1.post0
  - 1.9.2
  - 1.9.2.post0
severity:
- type: CVSS_V3
  score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
references:
- type: ADVISORY
  url: 
    https://github.com/HumanSignal/label-studio/security/advisories/GHSA-6xv9-957j-qfhg
- type: EVIDENCE
  url: 
    https://github.com/HumanSignal/label-studio/security/advisories/GHSA-6xv9-957j-qfhg
- type: FIX
  url: 
    https://github.com/HumanSignal/label-studio/commit/5df9ae3828b98652e9fa290a19f4deedf51ef6c8
- type: FIX
  url: https://github.com/HumanSignal/label-studio/pull/5232
- type: WEB
  url: https://github.com/HumanSignal/label-studio/releases/tag/1.11.0
- type: ADVISORY
  url: https://github.com/advisories/GHSA-6xv9-957j-qfhg