CVE-2021-31897
In JetBrains WebStorm before 2021.1, code execution without user confirmation was possible for...
In JetBrains WebStorm before 2021.1, code execution without user confirmation was possible for untrusted projects.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In JetBrains WebStorm before 2021.1, code execution without user confirmation was possible for untrusted projects.
- Record
CVE-2021-31897- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Updated
- 2026-11-02
CVE List No score
In JetBrains WebStorm before 2021.1, code execution without user confirmation was possible for untrusted projects.
- Record
CVE-2021-31897- Updated
- 2026-11-02
EUVDEUVD-2021-18772 No score
In JetBrains WebStorm before 2021.1, code execution without user confirmation was possible for untrusted projects.
- Record
EUVD-2021-18772- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-mrcx-3pvh-cm2f No score
In JetBrains WebStorm before 2021.1, code execution without user confirmation was possible for...
In JetBrains WebStorm before 2021.1, code execution without user confirmation was possible for untrusted projects.
- Record
GHSA-mrcx-3pvh-cm2f- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-31897 is a critical vulnerability (CVSS 9.8) in Jetbrains Webstorm, published May 11, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.54%, the 75th percentile. No source names a fixed version.