CVE-2021-47972

8.7 highEPSS 0.3%

High (8.7). EPSS 0.3% chance of exploitation in the next 30 days.

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.

Severity

CVSS 4.0

8.7 high

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

CVSS 3.1

7.5 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 20% of CVEs (scores of 2026-10-31)
CWE: CWE-789
Published: 2026-05-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

References

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

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