CVE-2026-101926 hyyan CVE debrief

Who should care

Defenders responsible for WordPress installations using the Hyyan WooCommerce Polylang Integration plugin should assess their exposure and take necessary actions to prevent exploitation. This includes verifying the plugin version, monitoring for suspicious activity, and implementing compensating controls.

Why it matters

The CVE-2026-101926 vulnerability in the Hyyan WooCommerce Polylang Integration plugin allows authenticated attackers to inject SQL queries, potentially leading to sensitive information extraction. Defenders should verify plugin versions, monitor for suspicious activity, and implement compensating controls to prevent exploitation.

• Potential extraction of sensitive information from the database.
• Possible disruption of database operations due to injected queries.
• Increased risk of lateral movement within the network if exploited.
• Need for verification of plugin version and exposure in WordPress installations.

Technical summary

The Hyyan WooCommerce Polylang Integration plugin for WordPress is vulnerable to SQL Injection via the 'variation_ids' parameter of the 'woocommerce_remove_variations' AJAX action in versions up to, and including, 1.5.0. This vulnerability allows authenticated attackers with Subscriber-level access and above to append additional SQL queries into existing queries, potentially leading to sensitive information extraction from the database.

Defensive priority

Defenders should prioritize verifying the presence of this vulnerability in their WordPress installations and ensure that the plugin is updated to a version beyond 1.5.0 if possible. They should also monitor for any suspicious database queries and implement compensating controls to detect and prevent SQL injection attacks.

Recommended defensive actions

• Verify the version of the Hyyan WooCommerce Polylang Integration plugin in use and update to a version beyond 1.5.0 if possible.
• Monitor for suspicious database queries that could indicate SQL injection attempts.
• Implement compensating controls to detect and prevent SQL injection attacks, such as input validation and parameterized queries.
• Review and restrict access to the 'woocommerce_remove_variations' AJAX action to prevent unauthorized use.
• Conduct a thorough review of database logs to identify any potential SQL injection attempts.
• Perform a comprehensive inventory of all WordPress installations using the Hyyan WooCommerce Polylang Integration plugin.
• Establish a process for tracking and addressing exceptions during the remediation of affected systems.

Evidence notes

The CVE record and source item provide details about the vulnerability, including its existence in versions up to and including 1.5.0 of the Hyyan WooCommerce Polylang Integration plugin. The source references point to specific lines of code in the plugin that are relevant to the vulnerability.

Sources and references

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.