CVE-2025-32969: XWiki Platform SQL Injection Vulnerability

CVE-2025-32969 Overview

CVE-2025-32969 is a critical SQL Injection vulnerability affecting XWiki, a popular open-source wiki platform. This vulnerability allows remote unauthenticated attackers to escape from the HQL (Hibernate Query Language) execution context and perform blind SQL injection attacks against the database backend. The flaw is particularly severe as it bypasses security configurations, including restrictions that prevent unregistered users from viewing or editing pages.

Critical Impact

Remote unauthenticated attackers can execute arbitrary SQL statements on the database backend, potentially extracting sensitive data including password hashes or performing destructive UPDATE/INSERT/DELETE operations.

Affected Products

• XWiki versions 1.8 through 15.10.15
• XWiki versions 16.0 through 16.4.5
• XWiki versions 16.5 through 16.10.0

Discovery Timeline

• 2025-04-23 - CVE-2025-32969 published to NVD
• 2025-04-30 - Last updated in NVD database

Technical Details for CVE-2025-32969

Vulnerability Analysis

This vulnerability represents a severe HQL injection flaw that allows attackers to break out of the intended query context and inject arbitrary SQL statements. The core issue lies in insufficient validation of query statements before execution. The vulnerability is exploitable without authentication, even when XWiki is configured to restrict access for unregistered users, making it particularly dangerous for internet-facing deployments.

The impact varies based on the database backend in use. Attackers may be able to extract confidential information such as password hashes, user credentials, and other sensitive data stored in the database. More critically, depending on database permissions, attackers could execute data modification queries (UPDATE, INSERT, DELETE), potentially leading to data integrity compromise or complete system takeover.

Root Cause

The root cause of CVE-2025-32969 stems from improper query validation in the HqlQueryExecutor class. The original implementation relied on HqlQueryUtils.isShortFormStatement() as an alternative path for validation, which could be bypassed. The vulnerable code path did not properly convert short-form HQL statements to complete statements before security validation, allowing malicious input to escape the intended query context.

Attack Vector

This vulnerability is exploitable over the network without any authentication requirements. Attackers can craft malicious requests that inject SQL commands through the HQL query execution pathway. The attack does not require user interaction and can be executed against any vulnerable XWiki instance exposed to the network. The blind nature of the injection means attackers may need to use time-based or boolean-based techniques to extract data, but the vulnerability provides a reliable path to full database compromise.

// Security patch showing improved query validation
// Source: https://github.com/xwiki/xwiki-platform/commit/5c11a874bd24a581f534d283186e209bbccd8113

protected static boolean isSafeSelect(String statementString)
{
    // An empty statement is safe
    if (statementString.isEmpty()) {
        return true;
    }

    // HqlQueryUtils#isSafe only works with complete statements
    String completeStatement = toCompleteShortForm(statementString);

    // Parse and validate the statement
    return HqlQueryUtils.isSafe(completeStatement);
}

The patch ensures that all statements, including short-form HQL queries, are converted to complete statements before security validation is performed, eliminating the bypass vector.

Detection Methods for CVE-2025-32969

Indicators of Compromise

• Unusual or malformed HQL/SQL queries in XWiki application logs
• Database query logs showing unexpected SELECT, UPDATE, INSERT, or DELETE operations
• Time-based anomalies in web server response times indicating blind SQL injection attempts
• Unexpected access patterns to the XWiki REST API search endpoints

Detection Strategies

• Monitor web application firewall (WAF) logs for SQL injection attack patterns targeting XWiki endpoints
• Implement database activity monitoring to detect anomalous query patterns or privilege escalation attempts
• Review XWiki application logs for query execution errors or exceptions related to HQL parsing
• Deploy intrusion detection rules targeting common blind SQL injection techniques (time-based delays, boolean conditions)

Monitoring Recommendations

• Enable verbose logging for the XWiki query execution subsystem during the remediation period
• Configure alerts for database operations originating from the XWiki application user that access sensitive tables
• Monitor for increased error rates in the database search and query endpoints
• Implement network-level monitoring for unusual data exfiltration patterns

How to Mitigate CVE-2025-32969

Immediate Actions Required

• Upgrade XWiki to version 15.10.16, 16.4.6, or 16.10.1 immediately
• If immediate upgrade is not possible, consider temporarily restricting network access to the XWiki instance
• Review database access logs for any evidence of exploitation prior to patching
• Audit database contents for signs of unauthorized data access or modification

Patch Information

XWiki has released security patches addressing this vulnerability in versions 15.10.16, 16.4.6, and 16.10.1. The fix implements improved query validation that ensures all HQL statements, including short-form queries, are properly converted to complete statements before security validation. Additionally, the REST API search functionality now uses a secure query manager by default. Organizations should apply the relevant patch based on their current XWiki version branch.

For detailed patch information, see the GitHub Security Advisory and the XWiki Issue Tracker.

Workarounds

• No workarounds are available for this vulnerability; upgrading to a patched version is the only mitigation
• Consider placing XWiki behind a web application firewall with SQL injection protection as a temporary defense-in-depth measure
• Restrict network access to the XWiki instance to trusted networks until patching is complete

# Upgrade XWiki to patched version (example for 16.10.1)
# Download the latest patched version from XWiki's official repository
wget https://nexus.xwiki.org/nexus/content/groups/public/org/xwiki/platform/xwiki-platform-distribution-war/16.10.1/xwiki-platform-distribution-war-16.10.1.war

# Backup existing deployment before upgrade
cp -r /path/to/xwiki /path/to/xwiki-backup-$(date +%Y%m%d)

# Follow XWiki upgrade documentation for your specific deployment