CVE-2026-111277 nivocart CVE debrief

Who should care

Defenders of e-commerce environments using NivoCart, especially those with sensitive order data, should assess exposure and prioritize verification and remediation efforts. This includes reviewing NivoCart installations, configurations, and environments to identify potential vulnerabilities and implementing additional security measures to protect against unauthorized access to order information. Security teams and vulnerability management teams should also

Why it matters

CVE-2026-111277 is a high-severity vulnerability in NivoCart through 2.5.1 that allows unauthenticated attackers to retrieve guest order invoices. Defenders of e-commerce environments using NivoCart should assess exposure and prioritize verification and remediation efforts.

• Potential unauthorized disclosure of sensitive order data
• Possible exploitation by unauthenticated attackers
• Need for verification of NivoCart installations and exposure
• Prioritization of remediation efforts in sensitive environments

Technical summary

NivoCart through 2.5.1 contains a missing authorization vulnerability in the download() action of account/order that allows unauthenticated attackers to retrieve guest order invoices by supplying an order_id. This vulnerability can lead to the disclosure of sensitive order data, including guest names, addresses, telephone numbers, emails, purchased items, and totals. The issue arises from the lack of proper authorization checks in the affected component, allowing unauthorized access to order information. Defenders should prioritize verifying exposure of NivoCart installations to unauthorized guest order invoice disclosure, especially in e-commerce environments where order data is sensitive.

Defensive priority

Defenders should prioritize verifying exposure of NivoCart installations to unauthorized guest order invoice disclosure, especially in e-commerce environments where order data is sensitive.

Recommended defensive actions

• Verify NivoCart installations for exposure to unauthorized guest order invoice disclosure
• Restrict access to order data and implement proper authorization checks
• Monitor for potential exploitation attempts and update NivoCart to a version that addresses the vulnerability
• Perform a thorough review of NivoCart configurations and environments to identify potential vulnerabilities
• Implement additional security measures such as IP blocking or rate limiting for order requests
• Develop an incident response plan in case of potential exploitation
• Conduct regular security audits and vulnerability assessments for NivoCart installations

Evidence notes

The CVE record and source item provide details on the vulnerability in NivoCart through 2.5.1. The vulnerability allows unauthenticated attackers to retrieve guest order invoices by supplying an order_id. The source item includes references to GitHub issues and technical descriptions.

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.