CVE-2025-4036

CRITICAL 9.8CVE-2025-4036 · Published 28/04/2025 · updated 17/06/2026

In short

CVE-2025-4036 is a CRITICAL (CVSS 9.8) vulnerability affecting novel (xxyopen).
Chance of exploitation in the next 30 days (EPSS): 0.53%, higher than 45.0% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
novel xxyopen	`= 3.5.0`	No fix yet

Description

A vulnerability was found in 201206030 Novel 3.5.0 and classified as critical. This issue affects the function updateBookChapter of the file src/main/java/io/github/xxyopen/novel/controller/author/AuthorController.java of the component Chapter Handler. The manipulation leads to improper access controls. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

References

Sinon2003/cve · Exploit
vuldb.com · Permissions Required
vuldb.com · Third Party Advisory
vuldb.com · Third Party Advisory

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