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 identification of this vulnerability is CVE-2025-4036. The attack may be initiated remotely. Furthermore, there is an exploit available.

The vendor was contacted early about this disclosure but did not respond in any way.