What’s Vulnerable › Vulnerabilities

CVE-2011-5238

• Severity: medium (CVSS 5.8 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2012-11-06 · updated 2026-06-16
• Weakness: CWE-20

Description

google-checkout-php-sample-code before 1.3.2 does not verify that the server hostname matches a domain name in the subject's Common Name (CN) or subjectAltName field of the X.509 certificate, which allows man-in-the-middle attackers to spoof SSL servers via an arbitrary valid certificate.

Affected products

• Google Checkout-Php: through 1.3.1; 1.2, 1.2-beta, 1.2.1-beta, 1.2.5, 1.2.5a, 1.3.0

References

• http://www.unrest.ca/peerjacking
• https://code.google.com/p/google-checkout-php-sample-code/downloads/detail?name=checkout-php-1.3.2.zip
• http://www.unrest.ca/peerjacking
• https://code.google.com/p/google-checkout-php-sample-code/downloads/detail?name=checkout-php-1.3.2.zip

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