CVE-2013-1348: The Yaml::parse function in Symfony 2.0.x before 2.0.22 remote attackers to execute arbitrary PHP code via...

Security readout for executives and security teams

This CVE concerns Symfony 2.0.x before 2.0.22. A flaw in Yaml::parse could let a remote attacker execute arbitrary PHP code through a PHP file. For executives, treat this as serious where legacy Symfony 2.0 applications remain in use, especially if they parse externally supplied files. Exposure is most likely in legacy applications running Symfony 2.0.x before 2.0.22 that use the YAML parser. Risk is higher where file contents or paths reaching Yaml::parse can be influenced by remote users. Prioritize remediation if any internet-facing or business-critical application still runs Symfony 2.0.x before 2.0.22. The core concern is remote PHP code execution, but urgency depends on whether vulnerable legacy deployments still exist. Mitigation focus: Upgrade affected Symfony 2.0.x installations to at least Symfony 2.0.22.; Review the Symfony security release for exact vendor guidance.; Avoid parsing remotely supplied PHP or YAML files until upgraded..

Prepared

Jun 14, 2026, 07:40 UTC (UTC+00:00)

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