CVE-2026-103888 wpclever CVE debrief

Who should care

Defenders responsible for WordPress installations with the WPC Smart Quick View for WooCommerce plugin should assess exposure and prioritize verification and remediation. Security teams should monitor for potential Cross-Site Scripting attacks and implement additional security measures to prevent exploitation. Incident response teams should be prepared to respond to potential Cross-Site Scripting attacks.

Why it matters

The WPC Smart Quick View for WooCommerce plugin vulnerability allows unauthenticated attackers to inject arbitrary web scripts, potentially leading to Cross-Site Scripting attacks. Defenders should prioritize verification and remediation to prevent exploitation.

• Defenders must verify and update the WPC Smart Quick View for WooCommerce plugin to prevent potential Cross-Site Scripting attacks.
• Security teams should monitor for potential Cross-Site Scripting attacks and implement additional security measures to prevent exploitation.
• Incident response teams should be prepared to respond to potential Cross-Site Scripting attacks.

Technical summary

The WPC Smart Quick View for WooCommerce plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'woosq-redirect' parameter in all versions up to, and including, 4.4.0 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link.

Defensive priority

Defenders should prioritize verifying and updating the WPC Smart Quick View for WooCommerce plugin to prevent potential Cross-Site Scripting attacks.

Recommended defensive actions

• Verify and update the WPC Smart Quick View for WooCommerce plugin to the latest version
• Monitor for potential Cross-Site Scripting attacks
• Implement additional security measures to prevent exploitation
• 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 WPC Smart Quick View for WooCommerce plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via the 'woosq-redirect' parameter in all versions up to, and including, 4.4.0 due to insufficient input sanitization and output escaping. The WooCommerce 'redirect to cart after add to cart' option must be enabled for the filter that reads the woosq-redirect parameter to execute.

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.