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CVE-2026-110104— novel through 3.5.0 Unsalted MD5 Password Storage

Quick assessment

Affected
xxyopen novel
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Xxyopen 小说系统 3.5.0 版本存在弱密码哈希漏洞，攻击者可因此恢复明文密码。该漏洞的原因是 UserServiceImpl.register() 方法在存储用户密码时使用了无盐值（unsalted）的 MD5 摘要，并将其写入 user_info.password 字段。攻击者若通过数据库泄露或备份文件暴露等途径获取了 password 字段中的数据，便可利用预计算表（如彩虹表）或 GPU 加速的暴力破解方法破解这些哈希值，进而复用受害用户的凭证进行未授权访问。

CVSS 5.9 · Medium

Affected Version Matrix 1

VendorProduct Version RangeStatus
xxyopen novel ≤ 3.5.0 affected
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I. Basic Information for CVE-2026-110104

Vulnerability Information
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Vulnerability Title
novel through 3.5.0 Unsalted MD5 Password Storage
Source: CVE Program / CVE List V5
Vulnerability Description
Xxyopen novel through 3.5.0 contains a weak password hashing vulnerability that allows attackers to recover plaintext passwords because UserServiceImpl.register() stores unsalted MD5 digests in user_info.password. Attackers who obtain the password column through a database leak or backup exposure can crack hashes with precomputed tables or GPU brute force and reuse credentials.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用具有不充分计算复杂性的口令哈希
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
xxyopen novel 0 ~ 3.5.0 -

II. Public POCs for CVE-2026-110104

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III. Intelligence Information for CVE-2026-110104

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Patches & Fixes for CVE-2026-110104 (2)

Vendor Advisories for CVE-2026-110104 (1)

IV. Related Vulnerabilities

Same product: novel
Same vendor: xxyopen
Same weakness: CWE-916

V. Comments for CVE-2026-110104

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