CVE-2006-5263: Directory traversal vulnerability in templates/header.php3 in phpMyAgenda 3.1 and earlier allows remote att...

Security readout for executives and security teams

CVE-2006-5263 affects phpMyAgenda 3.1 and earlier. A remote attacker could abuse a language parameter to make the application include and run a local file. In some deployments, that can become server-side code execution. Treat any internet-facing legacy instance as a serious risk. Exposure is likely limited to old phpMyAgenda deployments, especially versions 3.1 and earlier reachable over the web. Organizations without this legacy PHP application are not affected based on the provided sources. Prioritize rapid inventory. If a vulnerable phpMyAgenda instance is exposed to the internet, move to containment and replacement because the application is old and the flaw can lead to code execution under certain conditions. Mitigation focus: Inventory for phpMyAgenda 3.1 and earlier, especially internet-facing instances.; Check vendor or archived advisory guidance for any maintained fixed release.; Decommission or replace unsupported phpMyAgenda deployments where feasible..

Prepared

Jun 29, 2026, 10:06 UTC (UTC+00:00)

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