CVE-2009-4458: Multiple cross-site scripting (XSS) vulnerabilities in FreePBX 2.5.2 and 2.6.0rc2, and possibly other versi...

Security readout for executives and security teams

FreePBX 2.5.2 and 2.6.0rc2 have multiple XSS issues that could let a remote attacker inject script or HTML into the administration interface. If an administrator views affected content, the attacker may influence the admin session. Sources do not provide CVSS, patch status, or clear authentication requirements. Exposure is most likely where FreePBX administrative web interfaces run version 2.5.2, 2.6.0rc2, or nearby unverified versions. Internet-accessible or broadly reachable admin portals increase risk. The bundle does not confirm default exposure, required privileges, or fixed releases. Prioritize remediation for any exposed or business-critical PBX administration portal. XSS in telephony administration can become operationally meaningful if it compromises an administrator session, but available evidence does not justify emergency treatment without exposure confirmation. Mitigation focus: Check FreePBX vendor guidance for fixed versions or supported upgrade paths.; Restrict FreePBX admin access to trusted management networks or VPN users.; Review whether affected legacy FreePBX versions remain deployed..

Prepared

Jun 28, 2026, 09:59 UTC (UTC+00:00)

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