CVE-2025-4036: 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/...

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.

Metrics

CVSS 3.1

9.8/10

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

CVSS 4.0

5.3/10

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS Probability

0.43%

34.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Xxyopen	Novel	3.5.0

References

https://github.com/Sinon2003/cve/blob/main/novel/Novel%20%20has%20a%20logic%20authorization%20bypass%20vulnerability%20in%20AuthorController.mdExploit
https://vuldb.com/?ctiid.306401Permissions Required, VDB Entry
https://vuldb.com/?id.306401Third Party Advisory, VDB Entry
https://vuldb.com/?submit.558414Third Party Advisory, VDB Entry
https://github.com/Sinon2003/cve/blob/main/novel/Novel%20%20has%20a%20logic%20authorization%20bypass%20vulnerability%20in%20AuthorController.mdExploit

Timeline

Published: Apr 28, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-4036?

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.

How severe is CVE-2025-4036?

CVE-2025-4036 has a CVSS score of 9.8/10 (CRITICAL severity). The EPSS model estimates a 0.43% probability of exploitation in the next 30 days.

How do I fix CVE-2025-4036?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

How Strix Helps

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