CVE-2026-2503— ElementCamp <= 2.3.6 - Authenticated (Author+) SQL Injection via 'meta_query[compare]' Parameter
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I. Basic Information for CVE-2026-2503
Vulnerability Information
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Vulnerability Title
ElementCamp <= 2.3.6 - Authenticated (Author+) SQL Injection via 'meta_query[compare]' Parameter
Source: NVD (National Vulnerability Database)
Vulnerability Description
The ElementCamp plugin for WordPress is vulnerable to time-based SQL Injection via the 'meta_query[compare]' parameter in the 'tcg_select2_search_post' AJAX action in all versions up to, and including, 2.3.6. This is due to the user-supplied compare value being placed as an SQL operator in the query without validation against an allowlist of comparison operators. The value is passed through esc_sql(), but since the payload operates as an operator (not inside quotes), esc_sql() has no effect on payloads that don't contain quote characters. This makes it possible for authenticated attackers, with Author-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database.
Source: NVD (National Vulnerability Database)
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Source: NVD (National Vulnerability Database)
Vulnerability Type
SQL命令中使用的特殊元素转义处理不恰当(SQL注入)
Source: NVD (National Vulnerability Database)
Vulnerability Title
WordPress plugin ElementCamp SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress和WordPress plugin都是WordPress基金会的产品。WordPress是一套使用PHP语言开发的博客平台。该平台具有在基于PHP和MySQL的服务器上架设个人博客网站的功能。WordPress plugin是一个应用插件。 WordPress plugin ElementCamp 2.3.6及之前版本存在SQL注入漏洞，该漏洞源于用户提供的比较值未经验证即用作SQL运算符，可能导致基于时间的SQL注入攻击。
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 |
|---|---|---|---|---|
| wpdive | ElementCamp | * ~ 2.3.6 | - |
II. Public POCs for CVE-2026-2503
| # | POC Description | Source Link | Shenlong Link |
|---|
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IV. Related Vulnerabilities
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Nexa Blocks <= 1.1.0 - Authenticated (Contributor+) Stored C
Same weakness: CWE-89
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V. Comments for CVE-2026-2503
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