CVE-2026-13158

HIGH

Everest Toolkit <= 1.2.3 - Admin+ Arbitrary File Upload

Title source: cna

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.

References (1)

Core 1

Core References

Exploit exploit vdb-entry technical-description

https://wpscan.com/vulnerability/f101071f-402a-40a2-bbdb-666512cd4049/

Scores

CVSS v3 7.2

EPSS 0.0028

EPSS Percentile 20.0%

Attack Vector NETWORK

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact total

Details

CWE

CWE-434

Status published

Products (1)

None/Everest Toolkit < 1.2.3

Published Aug 01, 2026

Tracked Since Aug 01, 2026