CVE-2021-41921

CRITICAL 9.8CVE-2021-41921 · Published 28/04/2022 · updated 17/06/2026

In short

CVE-2021-41921 is a CRITICAL (CVSS 9.8) vulnerability affecting novel-plus (xxyopen).
Chance of exploitation in the next 30 days (EPSS): 1.7%, higher than 77.5% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
novel-plus xxyopen	`= 3.6.1`	No fix yet

novel-plus V3.6.1 allows unrestricted file uploads. Unrestricted file suffixes and contents can lead to server attacks and arbitrary code execution.

Running one of these products? Scan your site to see whether it exposes a vulnerable version.

Package

Affected versions

Patched versions

= 3.6.1

No fix yet

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