CVE-2026-96599 (CVSS 5.9)

Description

Isotope eCommerce through 2.9.10 derives order identifiers from uniqid() instead of a cryptographically secure source, allowing unauthenticated attackers to guess identifiers. Guest orders lack ownership verification, enabling attackers to access order details including billing address, customer information, and purchased files by supplying a guessed uid parameter.

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CVSS v3.1 Score

5.9

MEDIUM

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS — Exploit Prediction

0.0038

Probability of exploitation

0.29%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-330 CWE-330

References

Other References

https://github.com/isotope/core https://github.com/isotope/core/blob/028d47cbe69c7712339d34539721bea7369dc937/system/modules/isotope/library/Isotope/Model/ProductCollection/Order.php#L612-L618 https://github.com/isotope/core/blob/028d47cbe69c7712339d34539721bea7369dc937/system/modules/isotope/library/Isotope/Module/OrderDetails.php#L82-L104 https://github.com/isotope/core/issues/2585 https://www.vulncheck.com/advisories/isotope-ecommerce-through-2.9.10-weak-order-identifier-generation https://github.com/isotope/core/issues/2585

Frequently Asked Questions

What is CVE-2026-96599? +

Isotope eCommerce through 2.9.10 derives order identifiers from uniqid() instead of a cryptographically secure source, allowing unauthenticated attackers to guess identifiers. Guest orders lack ownership verification, enabling attackers to access order details including billing address, customer information, and purchased files by supplying a guessed uid parameter. It has a CVSS v3.1 base score of 5.9 (MEDIUM).

How severe is CVE-2026-96599? +

CVE-2026-96599 has a CVSS v3.1 score of 5.9 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0038, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-96599? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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