CVE-2012-0812: PostfixAdmin 2.3.4 has multiple XSS vulnerabilities

Security readout for executives and security teams

PostfixAdmin 2.3.4 is reported to contain multiple cross-site scripting vulnerabilities. In business terms, an attacker may be able to abuse the web administration interface to run unwanted script in a user’s browser, potentially affecting accounts used to manage mail domains. The provided sources do not include CVSS, named fixed versions, or confirmed active exploitation. Exposure is most relevant where PostfixAdmin 2.3.4 is still deployed, especially if the administrative interface is reachable by untrusted users or the internet. Organizations not running PostfixAdmin, or running versions not identified by the sources, have no evidence of exposure from this bundle. Treat this as a legacy exposure cleanup item unless an internet-facing PostfixAdmin 2.3.4 instance exists. If exposed, prioritize remediation because XSS in an email administration panel can threaten privileged browser sessions and mail-management workflows. Mitigation focus: Inventory systems for PostfixAdmin, specifically version 2.3.4.; Check PostfixAdmin and distribution advisories for fixed versions or vendor-supported backports.; Restrict PostfixAdmin administration access to trusted networks and authenticated administrators..

Prepared

Jun 6, 2026, 04:48 UTC (UTC+00:00)

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