CVE-2021-47972

Sticky Notes & Color Widgets 1.4.2 Denial of Service

CVSS 8.7 HIGHEPSS 0.3%CWE-789

Vexday Risk Score

41Attention

SSVC decision (CISA)

Attend

PoC available → attend closely

CVSS 8.7EPSS 0.3%KEV nãoPoC públicaNuclei —Metasploit —Patch —

Lifecycle

16 May 2026Published on NVD

Recommendation: Plan a near-term fix — a public PoC already exists.

Sticky Notes & Color Widgets 1.4.2 contains a denial of service vulnerability that allows attackers to crash the application by creating notes with excessively long character strings. Attackers can paste large payloads of repeated characters into note fields to trigger application crashes and make the application stop responding.

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

Affected products

sticky-notes-color-widgets · Sticky Notes Color Widgets

public PoCs found — 1

cve_referencewww.exploit-db.com/exploits/49957unverified

⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.

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References

https://www.exploit-db.com/exploits/49957 https://www.vulncheck.com/advisories/sticky-notes-color-widgets-denial-of-service