CVE-2026-90941

novel-plus through 5.3.3 Missing Authorization on the Admin Book Download Endpoint

Published Sep 14, 2026 CVSS 4.0 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
novel-plus through 5.3.3 contains an authorization bypass vulnerability in the BookController download endpoint that allows authenticated backend accounts to export complete book text including paid chapters. Attackers can supply a bookId and bookName to retrieve all chapter content without VIP or purchase verification, bypassing the permission checks and data-scope limits enforced elsewhere in the admin interface.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description novel-plus through 5.3.3 contains an authorization bypass vulnerability in the BookController download endpoint that allows authenticated backend accounts to export complete book text including paid chapters. Attackers can supply a bookId and bookName to retrieve all chapter content without VIP or purchase verification, bypassing the permission checks and data-scope limits enforced elsewhere in the admin interface.
Title novel-plus through 5.3.3 Missing Authorization on the Admin Book Download Endpoint
First Time appeared Xxyopen
Xxyopen novel-plus
Weaknesses CWE-862
CPEs cpe:2.3:a:xxyopen:novel-plus:*:*:*:*:*:*:*:*
Vendors & Products Xxyopen
Xxyopen novel-plus
References
Metrics cvssV3_1

{'score': 4.3, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N'}

cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
VulnCheck
Published
Updated
Sep 24, 2026, 2:22 PM
Reserved
Sep 14, 2026, 11:34 AM
Status
Deferred
Published
Sep 14, 2026, 2:17 PM
Modified
Sep 23, 2026, 5:17 PM