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CVE-2025-4019: 20120630 Novel-Plus GeneratorController.java genCode missing authentication

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-28 · updated 2026-06-17
• Weakness: CWE-287

Description

A vulnerability, which was classified as critical, was found in 20120630 Novel-Plus up to 0e156c04b4b7ce0563bef6c97af4476fcda8f160. Affected is the function genCode of the file novel-admin/src/main/java/com/java2nb/common/controller/GeneratorController.java. The manipulation leads to missing authentication. It is possible to launch the attack 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.

Affected products

• novel-plus: before 5.1.1 — fixed in 5.1.1

How to fix

Upgrade to a fixed version: novel-plus 5.1.1. Check the vendor advisory for mitigations.

References

• https://vuldb.com/?ctiid.306372
• https://vuldb.com/?id.306372
• https://vuldb.com/?submit.558360
• https://www.cnblogs.com/aibot/p/18827469
• https://www.cnblogs.com/aibot/p/18827469

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