EUVD-2026-51756
GHSA-gv4j-vgcg-m3hw
Severity by source
AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
Admin authentication required (PR:H); read-only SQL injection via SELECT clause yields full confidentiality impact with no integrity or availability consequence.
Primary rating from Vendor (Wordfence).
CVSS VectorVendor: Wordfence
Lifecycle Timeline
2DescriptionCVE.org
The Icegram Mailer plugin for WordPress is vulnerable to SQL Injection via the 'fields' parameter in versions up to, and including, 1.0.12. This is due to insufficient escaping on the user supplied parameter and lack of sufficient preparation on the existing SQL query in the Icegram_Mailer_Logs_Table::get_logs() function, where each element of the fields array received from $_REQUEST['data'] is joined verbatim into the SELECT clause via implode() with no whitelist, escaping, or prepared-statement placeholder. 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.
AnalysisAI
SQL injection in the Icegram Mailer WordPress plugin (versions up to and including 1.0.12) enables authenticated WordPress administrators to extract arbitrary data from the underlying database by manipulating the 'fields' parameter submitted to the email log view. The vulnerable code path in Icegram_Mailer_Logs_Table::get_logs() concatenates user-supplied array elements verbatim into a SQL SELECT clause via PHP implode() with no whitelist, escaping, or prepared-statement binding. No active exploitation has been confirmed (not listed in CISA KEV), no public POC is referenced, and a code-level fix is visible in the plugin's SVN repository at changeset 3627122, though the exact patched release version is not independently confirmed from available data.
Technical ContextAI
The Icegram Mailer plugin (CPE: cpe:2.3:a:icegram:icegram_mailer_-_reliable_email_deliverability,_no-code_smtp_replacement_&_email_logs:*:*:*:*:*:*:*:*) is a WordPress SMTP replacement and email logging plugin. The flaw resides in class-icegram-mailer-logs-table.php (line ~109) within the get_logs() method, which is invoked through the dashboard controller (class-icegram-mailer-dashboard-controller.php, line ~26) and routed via class-icegram-mailer-router.php (line ~44). The 'fields' array is sourced directly from $_REQUEST['data'] and joined into the SELECT clause using PHP's implode() function without any input validation, column whitelist, escaping, or parameterized query binding. CWE-89 (Improper Neutralization of Special Elements used in SQL Command) is the root cause - classic unsanitized user input embedded in a dynamically constructed SQL query, specifically in the column selection portion of a SELECT statement rather than a WHERE clause, which still permits stacked or UNION-based injection to read arbitrary tables.
RemediationAI
Update the Icegram Mailer plugin to a version beyond 1.0.12; a code-level fix is visible in the plugin's SVN repository at changeset 3627122 (https://plugins.trac.wordpress.org/changeset?reponame=&old=3627122%40icegram-mailer&new=3627122%40icegram-mailer), though the exact released patched version number is not independently confirmed from the available data - verify against the WordPress plugin repository before deploying. As an interim compensating control, restrict access to the WordPress admin panel (/wp-admin/) to trusted IP addresses via web server ACL or firewall rules, which prevents unauthenticated network access to the vulnerable endpoint entirely. Additionally, enforce multi-factor authentication on all WordPress administrator accounts to reduce the likelihood of credential compromise enabling exploitation. Database activity monitoring or a WordPress security plugin with query logging can detect anomalous SELECT statements against sensitive tables (wp_users, wp_options) as a detective control. The trade-off of IP restriction is reduced administrative flexibility; MFA adds friction for legitimate admins but is strongly recommended regardless of this specific vulnerability.
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External POC / Exploit Code
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