CVE-2026-83543: Unknown Greenshift

Medium severity, CVSS 4.1. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Unknown Greenshift: before 13.2.0 (fixed in 13.2.0)

Published 2026-09-05. Last modified 2026-09-08.