CVE-2026-57806 drfuri CVE debrief

Who should care

Defenders and administrators of WordPress sites using Martfury - WooCommerce Marketplace WordPress Theme should assess exposure and prioritize updating to a patched version to prevent potential XSS attacks.

Why it matters

CVE-2026-57806 is a Cross-site Scripting vulnerability in Martfury - WooCommerce Marketplace WordPress Theme, allowing Reflected XSS attacks. Defenders should prioritize verifying and updating the theme to prevent potential XSS attacks.

• Potential for Reflected XSS attacks, allowing attackers to inject malicious scripts
• Possible impact on user sessions and sensitive data
• Requires verification of Martfury - WooCommerce Marketplace WordPress Theme version and potential updates
• Defenders should monitor for anomalies and implement input validation and output encoding

Technical summary

The Martfury - WooCommerce Marketplace WordPress Theme is vulnerable to Reflected Cross-site Scripting (XSS) attacks due to improper neutralization of input during web page generation. The vulnerability exists in versions up to 3.3.9 and has been assigned a CVSS score of 7.1. Defenders should prioritize verifying and updating Martfury - WooCommerce Marketplace WordPress Theme versions to prevent potential XSS attacks. This involves reviewing the supplied official advisory or CVE record to validate affected scope, severity, and vendor guidance.

Defensive priority

Defenders should prioritize verifying and updating Martfury - WooCommerce Marketplace WordPress Theme versions to prevent potential XSS attacks.

Recommended defensive actions

• Verify Martfury - WooCommerce Marketplace WordPress Theme version and update to a patched version if necessary
• Implement input validation and output encoding to prevent XSS attacks
• Monitor for potential XSS attacks and anomalies in the application
• 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 7.1 and severity as HIGH. The Martfury - WooCommerce Marketplace WordPress Theme is vulnerable to Reflected Cross-site Scripting (XSS) attacks. Defenders should verify and update the theme to prevent potential XSS attacks. The official CVE Program record and NIST NVD detail page offer source-provided CVE metadata and vulnerability assessments.

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.