CVE-2026-111409 YITH CVE debrief

Who should care

Defenders responsible for WordPress installations using the YITH PayPal Express Checkout for WooCommerce plugin should assess exposure and prioritize verification and potential updates.

Why it matters

Defenders should care about CVE-2026-111409 because it affects the security of WordPress installations using the YITH PayPal Express Checkout for WooCommerce plugin, potentially allowing unauthorized access. The vulnerability requires verification of the plugin version and configuration to assess exposure.

• Potential unauthorized access to sensitive data
• Need to verify version and configuration of the plugin
• Possible impact on e-commerce functionality and security

Technical summary

The YITH PayPal Express Checkout for WooCommerce plugin has a Missing Authorization vulnerability, allowing attackers to exploit Incorrectly Configured Access Control Security Levels. This affects versions from n/a through 1.61.0. The vulnerability has a CVSS score of 5.3 and a severity of MEDIUM. Defenders should prioritize verifying the version of YITH PayPal Express Checkout for WooCommerce in use and assessing exposure to unauthorized access. The plugin is used for WordPress installations, and defenders should review the plugin version in use and assess potential exposure to unauthorized access.

Defensive priority

Defenders should prioritize verifying the version of YITH PayPal Express Checkout for WooCommerce in use and assessing exposure to unauthorized access.

Recommended defensive actions

• Verify the version of YITH PayPal Express Checkout for WooCommerce in use
• Assess exposure to unauthorized access
• Update to version 1.62.0 or later if vulnerable
• Review compensating controls for exposed systems while remediation is scheduled and verified
• 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

Evidence notes

The CVE Program record and NVD vulnerability detail provide official information on the vulnerability. However, details on exploitation, impact, and remediation are limited. Defenders should verify the plugin version and configuration to assess exposure. The CVE record was published on 2026-10-16T12:52:57.180Z and has not been modified since then. The official CVE Program record and NVD detail page provide source-provided CVE metadata and vulnerability assessment.

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.