Back to Database
Status published
High
CVE-2021-23568
Prototype Pollution
Vulnerability Description
The package extend2 before 1.0.1 are vulnerable to Prototype Pollution via the extend function due to unsafe recursive merge.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
Am I Vulnerable?
Launch our assessment wizard to check if your infrastructure is exposed to • CVE-2021-23568
Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- Bob "Wombat" Hogg
References
More from n/a
View All →CVE-2025-9910
Versions of the package jsondiffpatch before 0.7.2 are vulnerable to...
Low
2.3
CVE-2025-9802
RemoteClinic profile.php sql injection
Medium
5.1
CVE-2025-9799
Langfuse Webhook promptRouter.ts promptChangeEventSourcing server-side request forgery
Low
2.3
CVE-2025-9775
RemoteClinic edit-my-profile.php unrestricted upload
Medium
6.9
CVE-2025-9774
RemoteClinic edit-patient.php information disclosure
Medium
5.3
Affected Vendor
Affected Software
extend2
Vulnerable Versions:
unspecified
Timeline
Official Publish:
January 7th, 2022
Last Modified:
September 16th, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.