CVE-2017-9933: Improper cache invalidation in Joomla!

Security readout for executives and security teams

CVE-2017-9933 is an information disclosure issue in Joomla CMS. A cache invalidation flaw could expose form contents on affected sites. The source bundle does not provide CVSS severity, exploit evidence, or detailed impact beyond form-content disclosure. Exposure is most likely on Joomla CMS sites running versions 1.7.3 through 3.7.2, especially public sites that collect form submissions. The bundle does not identify affected configurations beyond that range. Prioritize if the organization still operates Joomla sites in the affected range that collect customer, employee, or partner data. Without confirmed active exploitation or severity scoring, urgency depends on data sensitivity and internet exposure. Mitigation focus: Identify any Joomla CMS instances in the affected version range.; Review the official Joomla advisory for the vendor-supported fixed version or guidance.; Upgrade affected Joomla installations according to vendor guidance..

Prepared

Jun 13, 2026, 04:25 UTC (UTC+00:00)

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