Vulnerability in Sticky-Notes-Color-Widgets Sticky Notes Color Widgets
CVE-2021-47972
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.003 (18.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 19th percentile — 18.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000
Affected products
- Sticky-Notes-Color-Widgets Sticky Notes Color Widgets — versions 1.4.2
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/49957 (exploit)
- www.vulncheck.com/advisories/sticky-notes-color-widgets-denial-of-service (third-party-advisory)
Frequently asked questions
- What is CVE-2021-47972?
- CVE-2021-47972 is a high-severity vulnerability in Sticky-Notes-Color-Widgets Sticky Notes Color Widgets, classified under CWE-789. CVSS score: 7.5/10. Published 2026-05-16.
- How severe is CVE-2021-47972?
- High severity. CVSS v3 base score is 7.5 out of 10.