CVE-2026-105878 YITH CVE debrief

Who should care

Defenders and administrators using the YITH WooCommerce Product Bundles plugin for WordPress should assess their exposure and verify the plugin version. They should also review access control configurations for the plugin and monitor for potential unauthorized access attempts.

Why it matters

The CVE-2026-105878 vulnerability in the YITH WooCommerce Product Bundles plugin requires attention from defenders and administrators to verify plugin versions and access control configurations, as it could lead to unauthorized access and data manipulation.

• Potential unauthorized access to product bundle data
• Possible manipulation of product bundle configurations
• Need for verification of plugin version and access control configurations
• Potential impact on e-commerce operations and data integrity

Technical summary

The YITH WooCommerce Product Bundles plugin for WordPress has a Missing Authorization vulnerability, affecting versions up to and including 2.29.0. This could allow attackers to exploit incorrectly configured access control security levels. The vulnerability has a CVSS score of 5.3 and a severity of MEDIUM. Defenders should prioritize verifying the version of the YITH WooCommerce Product Bundles plugin and ensuring it is updated to a version beyond 2.29.0 if possible. They should also review access control configurations for the plugin.

Defensive priority

Defenders should prioritize verifying the version of the YITH WooCommerce Product Bundles plugin and ensuring it is updated to a version beyond 2.29.0 if possible. They should also review access control configurations for the plugin.

Recommended defensive actions

• Verify the version of the YITH WooCommerce Product Bundles plugin and update if necessary
• Review access control configurations for the plugin
• Monitor for potential unauthorized access attempts
• Check relevant monitoring, detection, and logs for exposed assets that need extra review
• Track exceptions, retest remediated assets, and close the item only after evidence is documented.
• Confirm whether affected product deployments exist in managed environments and assign an owner for follow-up.
• Review the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Evidence notes

The CVE record and source item provide details about the vulnerability in the YITH WooCommerce Product Bundles plugin. However, there is limited information on exploitation or specific impacts. The vulnerability has a CVSS score of 5.3 and a severity of MEDIUM. Defenders should verify plugin versions and review access control configurations. The official CVE Program record and NIST NVD detail page provide additional information on 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.