CVE-2026-13430

CVSS Score & Metrics

Base Score

7.2 / 10

Vector String

                                        CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H                                    

Vulnerability Description

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.

Vulnerability Details

Published Date

July 10, 2026

Last Modified

July 10, 2026

CWE ID

CWE-434

Source

NVD

Vendor

wpazleen

Product

Post Export Import with Media

CVSS Score & Metrics

Vulnerability Description

Vulnerability Details

External References

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