CVE-2011-5238: google-checkout-php-sample-code before 1.3.2 does not verify that the server hostname matches a domain name...

Security readout for executives and security teams

This CVE concerns old Google Checkout PHP sample code that did not confirm it was talking to the intended SSL server. In a network interception scenario, an attacker could make the application trust a valid certificate for the wrong hostname, risking checkout data being sent to an impostor service. Exposure is likely limited to legacy PHP applications that embedded or reused google-checkout-php-sample-code before version 1.3.2. The CVE metadata lists affected vendor and product as n/a, so exact product scope and prevalence are incomplete. Treat as a targeted legacy exposure issue, not a broad emergency. Prioritize if the organization still runs old PHP checkout integrations or copied sample code into production, because successful interception could affect sensitive transaction communications. Mitigation focus: Identify any embedded google-checkout-php-sample-code copies older than 1.3.2.; Replace vulnerable copies with version 1.3.2 or vendor-supported guidance.; Confirm TLS clients enforce hostname verification against CN or subjectAltName..

Prepared

Jun 24, 2026, 12:04 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.