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CVE-2026-15104— BetterDocs <= 4.6.0 - Authenticated (Custom+) SQL Injection via 'lang' Parameter

Quick assessment

Affected
wpdevteam BetterDocs – AI Documentation, Knowledge Base, Docs, Wikis, FAQ with Chatbot
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.

WPDeveloper BetterDocs是WPDeveloper公司的一个AI文档、知识库和FAQ管理的WordPress插件。 WordPress BetterDocs 4.6.0及之前版本存在SQL注入漏洞，该漏洞源于对用户提供的 'lang' 参数转义不足以及现有SQL查询准备不充分，容易受到SQL注入攻击，可能导致经过身份验证且具有自定义级别及以上权限的攻击者向现有查询中添加额外SQL查询，从而从数据库中提取敏感信息。

CVSS 6.5 · Medium EPSS 0.41% · P34

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
wpdevteam BetterDocs – AI Documentation, Knowledge Base, Docs, Wikis, FAQ with Chatbot ≤ 4.6.0 affected
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I. Basic Information for CVE-2026-15104

Vulnerability Information
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Vulnerability Title
BetterDocs <= 4.6.0 - Authenticated (Custom+) SQL Injection via 'lang' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The BetterDocs – AI Documentation, Knowledge Base, Docs, Wikis, FAQ with Chatbot plugin for WordPress is vulnerable to generic SQL Injection via the 'lang' parameter in all versions up to, and including, 4.6.0 due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query. This makes it possible for authenticated attackers, with custom-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. Exploitation requires a supported multilingual plugin (WPML, Polylang, qTranslate, Weglot, or TranslatePress) to be active on the site, as the vulnerable code path is gated by Helper::is_multilingual_active().
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: CVE Program / CVE List V5
Vulnerability Title
WordPress BetterDocs SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WPDeveloper BetterDocs是WPDeveloper公司的一个AI文档、知识库和FAQ管理的WordPress插件。 WordPress BetterDocs 4.6.0及之前版本存在SQL注入漏洞，该漏洞源于对用户提供的 'lang' 参数转义不足以及现有SQL查询准备不充分，容易受到SQL注入攻击，可能导致经过身份验证且具有自定义级别及以上权限的攻击者向现有查询中添加额外SQL查询，从而从数据库中提取敏感信息。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
wpdevteam BetterDocs – AI Documentation, Knowledge Base, Docs, Wikis, FAQ with Chatbot 0 ~ 4.6.0 -

II. Public POCs for CVE-2026-15104

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III. Intelligence Information for CVE-2026-15104

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Vendor Advisories for CVE-2026-15104 (1)

IV. Related Vulnerabilities

Same product: BetterDocs – AI Documentation, Knowledge Base, Docs, Wikis, FAQ with Chatbot
Same vendor: wpdevteam
Same weakness: CWE-89

V. Comments for CVE-2026-15104

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