HIGH SeverityCVSS 4.08.7CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N

CVE-2021-47970

Last updated May 16, 2026 · Published May 16, 2026

Description

Macaron Notes 5.5 contains a denial of service vulnerability that allows attackers to crash the application by creating notes with excessively long character strings. Attackers can generate a payload containing 350000 repeated characters and paste it into a note field to trigger application crash and stop functionality.

Affected products

1 listed

macaron-notes-great-notebook:Macaron Notes Gear Notebook

Mappings

CWE

CWE-789

CAPEC

None listed.

Guides

Rate Limiting in Node.jsPatterns for APIs, login endpoints, and abuse control.

Training

API Design That Defends ItselfREST, GraphQL, and gRPC patterns that reduce your attack surface by design.

CVE-2021-47970

Description

Affected products

Mappings

Related