CVE-2026-25847
DOM-Based XSS in JetBrains PyCharm Jupyter Viewer Before
Publication date: 2026-02-09
Last updated on: 2026-02-18
Assigner: JetBrains s.r.o.
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| jetbrains | pycharm | to 2025.3.2 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. |
Attack-Flow Graph
AI Powered Q&A
How can this vulnerability be detected on my network or system? Can you suggest some commands?
I don't know
What immediate steps should I take to mitigate this vulnerability?
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Can you explain this vulnerability to me?
This vulnerability is a DOM-based Cross-Site Scripting (XSS) issue found in JetBrains PyCharm versions before 2025.3.2. It occurs on the Jupyter viewer page, where malicious scripts can be injected and executed in the context of the user's browser.
How can this vulnerability impact me? :
The vulnerability can lead to severe impacts including high confidentiality and integrity breaches, as well as some availability impact. An attacker could execute malicious scripts in the user's browser, potentially stealing sensitive information, manipulating data, or causing partial denial of service.
How does this vulnerability affect compliance with common standards and regulations (like GDPR, HIPAA)?:
I don't know