CVE-2021-23419
Prototype Pollution
CRITICAL
9.8
CVSS Score
Published: August 8, 2021 at 07:30 AM UTC
Updated: June 17, 2026 at 03:38 AM UTC
1 product affected across 1 vendorOpen Graph
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Severity
CRITICAL9.8
Exploit prediction
EPSS 1%
Description
This affects the package open-graph before 0.2.6. The function parse could be tricked into adding or modifying properties of Object.prototype using a __proto__ or constructor payload.
Affected
Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.
v < 0.2.6
Affected range stops below 0.2.6, so it looks safe — our inference, not a vendor statement
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (2)
x_refsource_MISCPatchThird Party Advisory
Source: [email protected]
https://github.com/samholmes/node-open-graph/commit/a0cef507a90adaac7dbbe9c404f09a50bdefb348x_refsource_MISCExploitPatchThird Party Advisory
Source: [email protected]
https://snyk.io/vuln/SNYK-JS-OPENGRAPH-1536747CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- HIGH
- Integrity
- HIGH
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-1321
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