What is CVE-2026-13457?

CVE-2026-13457 is a high-severity vulnerability in Instawp Connect – 1-click Wp Staging & Migration, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.5/10. Published 2026-08-11.

How severe is CVE-2026-13457?

High severity. CVSS v3 base score is 7.5 out of 10.

Arbitrary file upload in Instawp Connect – 1-click Wp Staging & Migration

CVE-2026-13457

The InstaWP Connect – 1-click WP Staging & Migration plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 0.1.3.6 via the (top-level script) function. This is due to the plugin stores its encryp…

Vulnerability class: Unrestricted File Upload

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Instawp Connect – 1-click Wp Staging & Migration — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

Frequently asked questions

What is CVE-2026-13457?: CVE-2026-13457 is a high-severity vulnerability in Instawp Connect – 1-click Wp Staging & Migration, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.5/10. Published 2026-08-11.
How severe is CVE-2026-13457?: High severity. CVSS v3 base score is 7.5 out of 10.