CVE-2012-6556: Multiple cross-site scripting (XSS) vulnerabilities in the FirstLastNames plugin 1.1.1 for Vanilla Forums a...

Security readout for executives and security teams

This CVE describes cross-site scripting in the FirstLastNames 1.1.1 plugin for Vanilla Forums. An attacker who can submit first or last name values to the edit-user page may cause malicious script or HTML to run in another user’s browser. Business risk depends on whether this old plugin is still installed and reachable. Exposure is likely limited to Vanilla Forums deployments that installed FirstLastNames plugin version 1.1.1. The source bundle does not identify broader affected products, supported versions, default installation status, or whether exploitation requires authentication. Treat this as a targeted legacy exposure check, not an enterprise-wide emergency. Prioritize remediation if Vanilla Forums is public-facing, still uses this plugin, or stores privileged administrative sessions in the same browser context. Mitigation focus: Inventory Vanilla Forums deployments for FirstLastNames plugin 1.1.1.; Disable or remove the plugin if present until vendor guidance is confirmed.; Check project or vendor sources for a fixed release or replacement guidance..

Prepared

Jun 14, 2026, 22:07 UTC (UTC+00:00)

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