CVE-2026-13430 Post Export Import with Media <= 1.13.1 - Authenticated (Administrator+) Arbitrary File Upload via Trailing-Dot Filename Bypass in ZIP Media Import

The Post Export Import with Media plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 1.13.1 via the importmediafilesecure function. This is due to insufficient file extension validation caused by a trailing-dot filename bypass, where the extension...