LinkedIn dustjs prototype pollution
Key facts
- Attack vector
- Network
- Privileges required
- Low
- 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-94.
Summary
A vulnerability was found in LinkedIn dustjs up to 2.x and classified as problematic. Affected by this issue is some unknown functionality. The manipulation leads to improperly controlled modification of object prototype attributes ('prototype pollution'). The attack may be launched remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 3.0.0 is able to address this issue. The name of the patch is ddb6523832465d38c9d80189e9de60519ac307c3. It is recommended to upgrade the affected component. The identifier of this vulnerability is VDB-216464.
Why it matters now
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 |
|---|---|---|---|---|---|
| dustjs | 2.x | — | No fix listed | CNA | |
| — | dustjs-linkedin (npm) | before 3.0.0 | 3.0.0 | Patch available | GHSA-c6rp-wrp9-qr4q |
- dustjs VendorLinkedIn Affected 2.x Fixed in — No fix listed CNA
- dustjs-linkedin (npm) Vendor— Affected before 3.0.0 Fixed in 3.0.0 Patch available GHSA-c6rp-wrp9-qr4q
Remediation
- Fix · GHSA-c6rp-wrp9-qr4q dustjs-linkedin (npm) Fixed in 3.0.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2021-4264
- 2026-10-03 Alias added: GHSA-c6rp-wrp9-qr4q
References
Patch 2
Sources
- CVE-2021-4264 · CVE Program
- CVE-2021-4264 · NVD
- FIRST EPSS
- GHSA-c6rp-wrp9-qr4q · GitHub Advisory Database · CC BY 4.0
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