CVE-2021-30048

MEDIUM

novel_boutique_house-plus 3.5.1 - Path Traversal via File Download filePath Parameter

Title source: llm
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2021-30048. PoCs published by tuyiqiang.

AI-analyzed exploit summary This exploit demonstrates an arbitrary file download vulnerability in Novel Boutique House-plus 3.5.1 due to improper path traversal validation in the FileController.java. The PoC shows how an attacker can download sensitive files like /etc/passwd by manipulating the filePath parameter.

Description

Directory Traversal in the fileDownload function in com/java2nb/common/controller/FileController.java in Novel-plus (小说精品屋-plus) 3.5.1 allows attackers to read arbitrary files via the filePath parameter.

Exploits (1)

exploitdb WORKING POC
by tuyiqiang · textwebappsjava
https://www.exploit-db.com/exploits/49724

This exploit demonstrates an arbitrary file download vulnerability in Novel Boutique House-plus 3.5.1 due to improper path traversal validation in the FileController.java. The PoC shows how an attacker can download sensitive files like /etc/passwd by manipulating the filePath parameter.

Classification
Working Poc 95%
Attack Type
Info Leak
Complexity
Trivial
Reliability
Reliable
Target: Novel Boutique House-plus 3.5.1
Auth required
Prerequisites: Access to the application's background management interface
devstral-2 · analyzed Feb 16, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit, Third Party Advisory, VDB Entry x_refsource_misc
https://www.exploit-db.com/exploits/49724
Exploit, Third Party Advisory x_refsource_misc
https://github.com/201206030/novel-plus/issues/39

Scores

CVSS v3 5.3
EPSS 0.0207
EPSS Percentile 79.0%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Details

CWE
CWE-22
Status published
Products (1)
novel_boutique_house-plus_project/novel_boutique_house-plus 3.5.1
Published Apr 29, 2021
Tracked Since Feb 18, 2026