CVE-2021-3030

6.1 mediumEPSS 0.3%

Medium (6.1). EPSS 0.3% chance of exploitation in the next 30 days.

Cute Editor for ASP.NET 6.4 is vulnerable to reflected cross-site scripting caused by improper validation of the Theme GET parameter in colorpicker_more.aspx. A remote, unauthenticated attacker can craft a URL that, once opened by a victim in a browser session authenticated to a site running the vulnerable component, executes arbitrary JavaScript in the security context of that site.

Severity

CVSS 3.1

6.1 medium

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

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2026-09-17
Modified: 2026-09-22
Record from: the NVD, synced 2026-10-19

References

https://github.com/athosgonzaga/CVE-2021-3030
https://github.com/athosgonzaga/CVE-2021-3030

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