Description
Impact
The vulnerability depends on user interaction by opening a malicious notebook with Markdown cells, or Markdown file using JupyterLab preview feature.
A malicious user can access any data that the attacked user has access to as well as perform arbitrary requests acting as the attacked user.
Patches
JupyterLab v4.0.11 was patched.
Workarounds
Users can either disable the table of contents extension by running:
jupyter labextension disable @jupyterlab/toc-extension:registry
References
Vulnerability reported via the bug bounty program sponsored by the European Commission and hosted on the Intigriti platform.
Basic information
- Type
- reviewed
- Severity
- medium
- Advisory on GitHub
- Open advisory ↗
- Repository advisory
- Open repository advisory ↗
- Source code
- Browse source ↗
- Published (advisory)
- 2024-01-19 20:24:09 UTC
- Updated
- 2024-02-10 05:08:22 UTC
- GitHub reviewed
- 2024-01-19 20:24:09 UTC
- NVD published
- 2024-01-19 21:15:09 UTC
EPSS Score
| Score |
Percentile |
|
0.34%
|
56.99% |
CVSS Scores
| Base score |
Version |
Severity |
Vector |
|
6.5
|
3.1 |
—
|
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
Click to expand
- Attack vector (AV:N)
- Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
- Attack complexity (AC:L)
- Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
- Privileges required (PR:N)
- No account or special rights needed—anonymous or random user is enough.
- User interaction (UI:R)
- A real person has to do something—click, install, enable—otherwise it doesn’t land.
- Scope (S:U)
- Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
- Confidentiality (C:H)
- Serious risk that confidential data gets exposed in a big way.
- Integrity (I:N)
- Data isn’t meaningfully altered or forged.
- Availability (A:N)
- Service keeps running; no real outage angle.
|
CWEs
| CWE id |
Name |
|
CWE-79
|
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') |
Affected packages (2)
Vulnerable version ranges and first patched releases as published by GitHub.
| Ecosystem |
Package |
Vulnerable range |
First patched |
Vulnerable functions |
| pip |
jupyterlab |
>= 4.0.0, <= 4.0.10 |
4.0.11 |
—
|
| pip |
notebook |
>= 7.0.0, <= 7.0.6 |
7.0.7 |
—
|
cvelogic
Threat Intelligence