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CVE-2020-8819

8.1 · HIGH

An issue was discovered in the CardGate Payments plugin through 3.1.15 for WooCommerce.

Published Feb 25, 2020CWE-346EPSS 4.88%

Overview

CVE-2020-8819 is a high-severity vulnerability. It was published on February 25, 2020 and has a CVSS 3.1 base score of 8.1 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

Technical description

An issue was discovered in the CardGate Payments plugin through 3.1.15 for WooCommerce. Lack of origin authentication in the IPN callback processing function in cardgate/cardgate.php allows an attacker to remotely replace critical plugin settings (merchant ID, secret key, etc.) and therefore bypass the payment process (e.g., spoof an order status by manually sending an IPN callback request with a valid signature but without real payment) and/or receive all of the subsequent payments.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refpacketstormsecurity.com/files/156504/WordPress-WooCommerce-CardGate-Payment-Gateway-3.1.15-Bypass.htmlGitHubgithub.com/cardgate/woocommerce/blob/f2111af7b1a3fd701c1c5916137f3ac09482feeb/cardgate/cardgate.php#L426-L442GitHubgithub.com/cardgate/woocommerce/issues/18Refwpvulndb.com/vulnerabilities/10097Refwww.exploit-db.com/exploits/48134Refpacketstormsecurity.com/files/156504/WordPress-WooCommerce-CardGate-Payment-Gateway-3.1.15-Bypass.htmlGitHubgithub.com/cardgate/woocommerce/blob/f2111af7b1a3fd701c1c5916137f3ac09482feeb/cardgate/cardgate.php#L426-L442GitHubgithub.com/cardgate/woocommerce/issues/18Refwpvulndb.com/vulnerabilities/10097Refwww.exploit-db.com/exploits/48134

How CyberStrike helps

Frequently asked questions

What is CVE-2020-8819?

CVE-2020-8819 is a high-severity vulnerability. It was published on February 25, 2020 and has a CVSS 3.1 base score of 8.1 (HIGH).

How severe is CVE-2020-8819?

This vulnerability has a CVSS 3.1 base score of 8.1, rated HIGH. It can be exploited remotely over the network. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2020-8819?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2020-8819?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2020-8819 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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