CVE-2026-16614

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

Published Aug 1, 2026 CVSS 3.1 · 4.9 Medium EPSS < 1% KEV · Not listed
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.

Analysis

AI-generated

Technical impact

The GSheetConnector – CF7 Google Sheets Connector plugin for WordPress contains a generic SQL Injection flaw in the 's' parameter. The input is not properly escaped before being interpolated into a SQL statement, allowing an attacker who is authenticated with administrator-level or higher privileges to append arbitrary SQL queries. This can lead to reading or extracting sensitive information from the database, constituting a data theft vulnerability.

Affected Systems

The vulnerability affects the WestEndDeal GSheetConnector – CF7 Google Sheets Connector WordPress plugin. All plugin releases from the earliest version up to and including 5.2.1 are impacted. Administrators or any user with elevated privileges who can access the plugin’s configuration interface are at risk. No newer releases have been documented as vulnerable.

Risk and Exploitability

The CVSS score of 4.9 indicates a medium severity, while the EPSS score of less than 1% reflects a very low probability of real-world exploitation. The vulnerability is not listed in the CISA KEV catalog. Because exploitation requires administrative access, the likelihood of an attack depends on the organization’s privileged account management. In tightly controlled environments the risk may be acceptable, but the potential for credential compromise or insider threat remains.

Remediation

No solution or workaround provided in the CVE record.

OpenCVE Recommended Actions

  • Update the GSheetConnector – CF7 Google Sheets Connector plugin to a release newer than 5.2.1, or uninstall it if it is no longer required.
  • If an upgrade is not immediately possible, limit the number of administrators who can access the plugin’s configuration pages to reduce the attack surface.
  • Enable logging and monitor database or application logs for anomalous SQL syntax or errors that might indicate an injection attempt.

Generated by OpenCVE AI on August 3, 2026 at 09:42 UTC.

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Gsheetconnector
Gsheetconnector cf7 Google Sheets Connector
Wordpress
Wordpress wordpress
Vendors & Products Gsheetconnector
Gsheetconnector cf7 Google Sheets Connector
Wordpress
Wordpress wordpress
Type Values Removed Values Added
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.
Title GSheetConnector <= 5.2.1 - Authenticated (Administrator+) SQL Injection via 's' Parameter
Weaknesses CWE-89
References
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N'}

Weaknesses
  • CWE-89

    Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Aug 3, 2026, 6:37 PM
Reserved
Jul 22, 2026, 2:36 PM
Status
Deferred
Published
Aug 1, 2026, 9:17 AM
Modified
Aug 12, 2026, 9:00 PM