CVE-2021-30133: Cloverdx

Medium severity, CVSS 6.1. EPSS: 0.8% chance of exploitation in the next 30 days.

A cross-site scripting (XSS) vulnerability in CloverDX Server 5.9.0, CloverDX 5.8.1, CloverDX 5.7.0, and earlier allows remote attackers to inject arbitrary web script or HTML via the sessionToken parameter of multiple methods in Simple HTTP API. This is resolved in 5.9.1 and 5.10.

Affected products

• Cloverdx Cloverdx: up to and including 5.7.0; from 5.9.0, before 5.9.1 (fixed in 5.9.1); version 5.8.0 only; version 5.8.1 only

Published 2021-06-09. Last modified 2026-06-17.