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CVE-2026-16614— GSheetConnector <= 5.2.1 - Authenticated (Administrator+) SQL Injection via 's' Parameter

Quick assessment

Affected
westerndeal GSheetConnector – CF7 Google Sheets Connector
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.

westerndeal GSheetConnector – CF7 Google Sheets Connector是westerndeal个人开发者的一款连接表单与电子表格的插件。 westerndeal GSheetConnector – CF7 Google Sheets Connector 5.2.1及之前版本存在SQL注入漏洞，该漏洞源于对用户提供的's'参数转义不足且未对现有SQL查询进行充分预处理，可能导致经过身份验证的管理员及以上权限攻击者向现有查询中追加额外的SQL查询，从而提取数据库中的

CVSS 4.9 · Medium EPSS 0.44% · P36

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 1

VendorProduct Version RangeStatus
westerndeal GSheetConnector – CF7 Google Sheets Connector ≤ 5.2.1 affected
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I. Basic Information for CVE-2026-16614

Vulnerability Information
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Vulnerability Title
GSheetConnector <= 5.2.1 - Authenticated (Administrator+) SQL Injection via 's' Parameter
Source: CVE Program / CVE List V5
Vulnerability Description
The GSheetConnector – CF7 Google Sheets Connector with Real-Time Sync plugin for WordPress is vulnerable to generic SQL Injection via the 's' parameter in all versions up to, and including, 5.2.1 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 administrator-level access and above, to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. wp_unslash() strips magic-quote protection and sanitize_text_field() does not escape SQL metacharacters, leaving single quotes and other SQL metacharacters intact before the value is interpolated into the query.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:H/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
westerndeal GSheetConnector – CF7 Google Sheets Connector SQL注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
westerndeal GSheetConnector – CF7 Google Sheets Connector是westerndeal个人开发者的一款连接表单与电子表格的插件。 westerndeal GSheetConnector – CF7 Google Sheets Connector 5.2.1及之前版本存在SQL注入漏洞，该漏洞源于对用户提供的's'参数转义不足且未对现有SQL查询进行充分预处理，可能导致经过身份验证的管理员及以上权限攻击者向现有查询中追加额外的SQL查询，从而提取数据库中的
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
westerndeal GSheetConnector – CF7 Google Sheets Connector 0 ~ 5.2.1 -

II. Public POCs for CVE-2026-16614

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III. Intelligence Information for CVE-2026-16614

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News Coverage for CVE-2026-16614 (1)

Other References for CVE-2026-16614 (1)

IV. Related Vulnerabilities

Same vendor: westerndeal
Same weakness: CWE-89

V. Comments for CVE-2026-16614

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