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Vulnerability record · CVE-2021-47972 · published 16 May 2026

CVE-2021-47972: Sticky Notes & Color Widgets 1.4.2 contains a denial of service vulnerability that allows attackers to crash t…

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.

8.7 CVSS 4.0 High EPSS 0.28% · top 81.2% CWE-789 · CWE-789 Deferred
8.7CVSS 4.0 base score
0.28%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
2References
17 Jun 2026Last modified by NVD

Description

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

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

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Source: NIST National Vulnerability Database (record CVE-2021-47972), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.