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CVE-2026-16092— Improved Save Button <= 1.2.1 - Authenticated (Author+) Second-Order SQL Injection via 'meta_key' Parameter

Quick assessment

Affected
labelblanc Improved Save Button
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.

WordPress Improved Save Button是WordPress基金会开源的一个改进的保存按钮组件。 WordPress Improved Save Button 1.2.1及之前版本存在SQL注入漏洞，该漏洞源于对用户提供的参数转义不足以及对现有SQL查询准备不足，导致第二阶SQL注入攻击，使得经过身份验证且具有作者级及以上权限的攻击者能够附加额外的SQL查询，用于从数据库中提取敏感信息。

CVSS 6.5 · Medium EPSS 0.41% · P34

Affected Version Matrix 1

VendorProduct Version RangeStatus
labelblanc Improved Save Button ≤ 1.2.1 affected
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I. Basic Information for CVE-2026-16092

Vulnerability Information
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Vulnerability Title
Improved Save Button <= 1.2.1 - Authenticated (Author+) Second-Order SQL Injection via 'meta_key' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The Improved Save Button plugin for WordPress is vulnerable to second-order SQL Injection via 'meta_key' Custom Field via 'Save and Duplicate' Action in all versions up to, and including, 1.2.1 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 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: 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 Improved Save Button SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
WordPress Improved Save Button是WordPress基金会开源的一个改进的保存按钮组件。 WordPress Improved Save Button 1.2.1及之前版本存在SQL注入漏洞，该漏洞源于对用户提供的参数转义不足以及对现有SQL查询准备不足，导致第二阶SQL注入攻击，使得经过身份验证且具有作者级及以上权限的攻击者能够附加额外的SQL查询，用于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
labelblanc Improved Save Button 0 ~ 1.2.1 -

II. Public POCs for CVE-2026-16092

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III. Intelligence Information for CVE-2026-16092

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News Coverage for CVE-2026-16092 (1)

IV. Related Vulnerabilities

Same weakness: CWE-89

V. Comments for CVE-2026-16092

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