CVE-2026-76128 implecode CVE debrief

Who should care

Defenders responsible for WordPress sites using the eCommerce Product Catalog plugin should assess exposure and prioritize verification and remediation. This includes operators managing WordPress sites, vulnerability management teams, security teams, and IT personnel responsible for plugin updates and security configurations.

Why it matters

CVE-2026-76128 is a Stored Cross-Site Scripting vulnerability in the eCommerce Product Catalog plugin for WordPress. Defenders should prioritize verification and remediation to prevent exploitation.

• Defenders must verify and update the eCommerce Product Catalog plugin to prevent exploitation
• Restrict contributor-level access and above to prevent exploitation
• Monitor for suspicious activity on WordPress sites using the eCommerce Product Catalog plugin

Technical summary

The eCommerce Product Catalog plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'style' Shortcode Attribute in all versions up to, and including, 3.5.10. This is due to insufficient input sanitization and output escaping. Authenticated attackers with contributor-level access and above can inject arbitrary web scripts in pages that will execute when a user accesses an injected page.

Defensive priority

Defenders should prioritize verifying and updating the eCommerce Product Catalog plugin to prevent exploitation.

Recommended defensive actions

• Verify and update the eCommerce Product Catalog plugin to the latest version
• Restrict contributor-level access and above to prevent exploitation
• Monitor for suspicious activity on WordPress sites using the eCommerce Product Catalog plugin
• 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 description and affected versions. The eCommerce Product Catalog plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'style' Shortcode Attribute in all versions up to, and including, 3.5.10 due to insufficient input sanitization and output escaping. Authenticated attackers with contributor-level access and above can inject arbitrary web scripts in pages that will execute when a user accesses an injected page. Evidence is limited to N

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.