Prototype pollution in jointjs
Priority MEDIUM 46CWE-843Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-843 and the CVSS impact.
Summary
This affects the package jointjs before 3.4.2. A type confusion vulnerability can lead to a bypass of CVE-2020-28480 when the user-provided keys used in the path parameter are arrays in the setByPath function.
Why it matters now
EPSS 0.0186 79th percentileScored 2026-11-07
Fix Fixed jointjs: 3.4.2jointjs (npm): 3.4.2
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | jointjs | before 3.4.2 | 3.4.2 | Patch available | CNA |
| — | jointjs (npm) | before 3.4.2 | 3.4.2 | Patch available | GHSA-f3pp-32qc-36w4 |
- jointjs Vendor— Affected before 3.4.2 Fixed in 3.4.2 Patch available CNA
- jointjs (npm) Vendor— Affected before 3.4.2 Fixed in 3.4.2 Patch available GHSA-f3pp-32qc-36w4
Remediation
- Fix · CNA jointjs Fixed in 3.4.2
- Fix · GHSA-f3pp-32qc-36w4 jointjs (npm) Fixed in 3.4.2 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-23444
- 2026-10-03 Alias added: GHSA-f3pp-32qc-36w4
References
Sources
- CVE-2021-23444 · CVE Program
- CVE-2021-23444 · NVD
- FIRST EPSS
- GHSA-f3pp-32qc-36w4 · GitHub Advisory Database · CC BY 4.0
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