Vulnerability · Published Aug 1, 2026 · Assigned by WPScan

CVE-2026-13158Everest Toolkit <= 1.2.3 - Admin+ Arbitrary File Upload

High 7.2

In plain English

A high-severity unrestricted file upload in Everest Toolkit from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 43% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code.

Severity (CVSS 3.1)7.2High

Exploit odds (30 days)0.5%top 57.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack tooling1Public PoC

Official description

The Everest Toolkit WordPress plugin through 1.2.3 does not validate the type of files uploaded during demo-content import (the WordPress file-type test is disabled), allowing high-privilege users (Administrator by default, including non-super-admin site administrators on multisite) to upload executable PHP files to the uploads directory.

Affected products (as reported)

Vendor	Product	Versions
Unknown	Everest Toolkit	0 – through 1.2.3

Weakness: CWE-434 · Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

References

https://wpscan.com/vulnerability/f101071f-402a-40a2-bbdb-666512cd4049/ exploit, vdb-entry, technical-description