Auth bypass in 20120630 Novel-Plus

CVE-2025-4018

A vulnerability, which was classified as critical, has been found in 20120630 Novel-Plus up to 0e156c04b4b7ce0563bef6c97af4476fcda8f160. This issue affects the function addCrawlSource of the file novel-crawl/src/main/java/com/java2nb/novel/controller/CrawlController.java. The manipulation leads to missing authentication. 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.

Vulnerability class: Broken Authentication

EPSS: 0.007 (50.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

  • cna@vuldb.com (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
  • cna@vuldb.com (signature, Permissions Required, permissions-required, VDB Entry)
  • cna@vuldb.com (VDB Entry, Third Party Advisory, third-party-advisory)
  • cna@vuldb.com (Exploit, Third Party Advisory, exploit)

Frequently asked questions

What is CVE-2025-4018?
CVE-2025-4018 is a medium-severity vulnerability in 20120630 Novel-Plus, classified under Improper Authentication. CVSS score: 5.3/10. Published 2025-04-28.
How severe is CVE-2025-4018?
Medium severity. CVSS v3 base score is 5.3 out of 10.
Is CVE-2025-4018 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.