CVE-2026-104313 wpclever CVE debrief

Who should care

Defenders responsible for WordPress installations with the WPC Estimated Delivery Date for WooCommerce plugin should assess exposure and prioritize verification and remediation. This includes reviewing compensating controls for exposed systems while remediation is scheduled and verified, and checking relevant monitoring, detection, and logs for exposed assets that need extra review.

Why it matters

The CVE-2026-104313 vulnerability in the WPC Estimated Delivery Date for WooCommerce plugin for WordPress requires defenders to assess exposure, prioritize verification and remediation, and monitor for potential Cross-Site Scripting attacks.

• Defenders need to verify and update the plugin to prevent potential Cross-Site Scripting attacks
• Successful exploitation requires tricking a user into performing an action such as clicking on a link

Technical summary

The WPC Estimated Delivery Date for WooCommerce plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'rule_data' parameter in all versions up to, and including, 4.0.1 due to insufficient input sanitization and output escaping. This vulnerability requires defenders to assess exposure, prioritize verification and remediation, and monitor for potential Cross-Site Scripting attacks. The CVE record and NVD entry provide details on the vulnerability, including its CVSS score of 6.1 and MEDIUM severity.

Defensive priority

Defenders should prioritize verifying and updating the WPC Estimated Delivery Date for WooCommerce plugin to prevent potential Cross-Site Scripting attacks.

Recommended defensive actions

• Verify and update the WPC Estimated Delivery Date for WooCommerce plugin to the latest version
• Implement input sanitization and output escaping for the 'rule_data' parameter
• Monitor for potential Cross-Site Scripting attacks
• 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 record and NVD entry provide details on the vulnerability, including its CVSS score of 6.1 and MEDIUM severity. The vulnerability was publicly disclosed on 2026-10-03T07:16:47.210Z. The WPC Estimated Delivery Date for WooCommerce plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'rule_data' parameter in all versions up to, and including, 4.0.1 due to insufficient input sanitization and output escaping.

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.