CVE-2021-3030

medium

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.

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.

CVSS

6.1

6.1 (CVSS v3.1)

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

Severity source: NVD CVSS v3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)

Timeline (UTC)

Published: 2026-09-17 21:17

Modified: 2026-09-22 20:00

NVD status: Deferred

Last synced 3 days ago

Verified against the source API 2026-10-27 06:54 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

Not reported by the source (unknown — not "none").

Weakness classification (CWE)

CWE-79

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

No vendor advisory or patch reference tagged by NVD. Check the references below.

References

https://github.com/athosgonzaga/CVE-2021-3030 cve@mitre.org
https://github.com/athosgonzaga/CVE-2021-3030 134c704f-9b21-4f2e-91b3-4a467353bcc0

Data sources

NVD CVE API 2.0 — fetched 2026-10-27 06:54 UTC · record ↗

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