CVE-2016-4855: Cross-site scripting vulnerability in ADOdb versions prior to 5.20.6 allows remote attackers to inject arbi...

Security readout for executives and security teams

ADOdb versions before 5.20.6 have a cross-site scripting flaw. A remote attacker could inject script or HTML through vectors not specified in the public CVE data. Business risk depends on where vulnerable ADOdb code is embedded and whether affected pages are reachable by users. Exposure is most likely in PHP web applications or appliances that bundle ADOdb versions prior to 5.20.6, including vendored library copies not managed by the OS package manager. Treat this as a targeted remediation item, not an emergency based on the provided evidence. Prioritize internet-facing and session-bearing applications using old ADOdb, then close remaining inventory gaps. Mitigation focus: Inventory all ADOdb copies, including vendored application dependencies.; Upgrade ADOdb to 5.20.6 or later where present.; Apply relevant distribution updates, including Gentoo advisory guidance if applicable..

Prepared

Jun 13, 2026, 05:01 UTC (UTC+00:00)

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