---
id: CVE-2026-83543
title: >-
  The Greenshift  WordPress plugin before 13.2.0 does not validate a
  user-supplied URL before fetching it server-side, allowing users with
  contributor-level access and above to make the server issue requests to
  arbitrary hosts and read the…
summary: >-
  The Greenshift  WordPress plugin before 13.2.0 does not validate a
  user-supplied URL before fetching it server-side, allowing users with
  contributor-level access and above to make the server issue requests to
  arbitrary hosts and read the…
severity: medium
cvss: 4.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N'
cwe:
  - CWE-918
published: '2026-09-05'
updated: '2026-09-08'
sourceUpdated: '2026-09-08T19:09:21.310'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-83543'
references:
  - url: 'https://wpscan.com/vulnerability/902e46ad-e577-4a3e-be19-a3bcc75ece77/'
    label: contact@wpscan.com
tags:
  - nvd
epss: 0.00299
epssPercentile: 0.20067
ingestedAt: '2026-09-06T05:50:39.389Z'
---

## Overview

The Greenshift  WordPress plugin before 13.2.0 does not validate a user-supplied URL before fetching it server-side, allowing users with contributor-level access and above to make the server issue requests to arbitrary hosts and read the response.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.