CVE-2025-32121: Ultimate Member Gallery SQL Injection

CVE-2025-32121 Overview

CVE-2025-32121 is a SQL Injection vulnerability [CWE-89] affecting the SuitePlugins Video & Photo Gallery for Ultimate Member WordPress plugin. The flaw exists in all plugin versions up to and including 1.1.3. Attackers with high privileges can inject crafted SQL statements through unsanitized input passed to database queries. Successful exploitation enables unauthorized data access and limited service disruption against the underlying WordPress database. The vulnerability carries network-based attack characteristics and a scope change, meaning impact extends beyond the vulnerable component to the broader WordPress installation.

Critical Impact

Authenticated attackers can extract sensitive database contents, including user credentials and private gallery metadata, from any WordPress site running the affected plugin.

Affected Products

• SuitePlugins Video & Photo Gallery for Ultimate Member (gallery-for-ultimate-member) versions through 1.1.3
• WordPress installations using the plugin alongside Ultimate Member
• Sites exposing authenticated plugin endpoints to network-reachable users

Discovery Timeline

• 2025-04-04 - CVE-2025-32121 published to NVD
• 2026-04-23 - Last updated in NVD database

Technical Details for CVE-2025-32121

Vulnerability Analysis

The vulnerability stems from improper neutralization of special elements used in an SQL command. The plugin concatenates user-supplied input into SQL queries without applying parameterized statements or proper escaping through WordPress functions such as $wpdb->prepare(). Attackers send crafted payloads containing SQL metacharacters that alter query logic. The resulting injected query runs with the database privileges granted to the WordPress application user.

The scope-changing nature of this issue means a single vulnerable plugin endpoint exposes the entire WordPress database. Attackers can read arbitrary tables, including wp_users password hashes and session tokens. Limited availability impact reflects the potential for malformed queries to degrade database performance.

Root Cause

The root cause is the absence of input sanitization and prepared statements in plugin code paths that build SQL queries from request parameters. WordPress provides safe APIs through $wpdb, but the affected plugin bypasses these protections. The flaw classification matches Common Weakness Enumeration entry [CWE-89], Improper Neutralization of Special Elements used in an SQL Command.

Attack Vector

Exploitation requires network access to the WordPress site and authenticated access at a high privilege level. The attacker submits malicious SQL fragments through plugin parameters reachable via HTTP requests. No user interaction is required beyond the attacker's own session. Refer to the Patchstack SQL Injection Vulnerability advisory for endpoint-specific technical details.

Detection Methods for CVE-2025-32121

Indicators of Compromise

• HTTP requests to plugin endpoints containing SQL metacharacters such as UNION SELECT, OR 1=1, SLEEP(, or encoded equivalents like %27 and %20UNION%20
• Unexpected entries in WordPress database logs showing queries referencing information_schema, wp_users, or wp_usermeta originating from plugin request paths
• Database errors in debug.log referencing syntax failures in queries built by the gallery-for-ultimate-member plugin

Detection Strategies

• Inspect web server access logs for plugin URI patterns combined with SQL injection signatures using WAF or SIEM correlation rules
• Monitor MySQL general query logs for anomalous SELECT statements containing nested subqueries or UNION operators originating from the WordPress application user
• Deploy file integrity monitoring on plugin source files to identify tampering after initial compromise

Monitoring Recommendations

• Forward WordPress, web server, and database logs to a centralized analytics platform for correlation
• Alert on authenticated sessions for high-privilege WordPress roles that issue requests to gallery plugin endpoints with parameter values containing SQL operators
• Track outbound database query volume per session to detect mass data extraction

How to Mitigate CVE-2025-32121

Immediate Actions Required

• Audit WordPress installations for the gallery-for-ultimate-member plugin and identify versions at or below 1.1.3
• Restrict high-privilege WordPress accounts and rotate credentials for administrators with access to the plugin
• Place the affected sites behind a Web Application Firewall with SQL injection signatures enabled

Patch Information

At the time of publication, the Patchstack advisory lists all versions up to 1.1.3 as affected. Administrators should check the plugin repository for a fixed release and apply it immediately once available.

Workarounds

• Deactivate and remove the Video & Photo Gallery for Ultimate Member plugin until a patched version is installed
• Restrict access to WordPress administrative endpoints to known IP ranges via web server or firewall rules
• Enforce least-privilege principles by limiting the number of accounts holding administrator or editor roles

# Configuration example: disable the vulnerable plugin via WP-CLI
wp plugin deactivate gallery-for-ultimate-member
wp plugin delete gallery-for-ultimate-member