PT-2026-57050 · Wpazleen · Post Export Import With Media
Chloe Chamberland
+1
·
Published
2026-07-10
·
Updated
2026-07-10
·
CVE-2026-13430
CVSS v3.1
7.2
High
| Vector | AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
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 import media file secure function. This is due to insufficient file extension validation caused by a trailing-dot filename bypass, where the extension allow-list check in ajax import media start() uses pathinfo() on the raw ZIP entry name (e.g., 'shell.php.'), which returns an empty string for the extension, causing the allow-list guard to be skipped and the file to be extracted to a temporary location, after which import media file secure() copies it into the WordPress uploads directory without re-validating the extension. This makes it possible for authenticated attackers, with administrator-level access and above, to upload files that may be executable, which makes remote code execution possible.
Fix
Unrestricted File Upload
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Weakness Enumeration
Related Identifiers
Affected Products
Post Export Import With Media