CVE-2021-30133

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-06-09 · updated 2026-06-17
Weakness: CWE-79

Description

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: through 5.7.0; from 5.9.0 before 5.9.1; 5.8.0, 5.8.1 — fixed in 5.9.1

How to fix

Upgrade to a fixed version: Cloverdx 5.9.1. Check the vendor advisory for mitigations.

References

https://support.cloverdx.com/releases/
https://support1.cloverdx.com/hc/en-us/articles/360021006520
https://support.cloverdx.com/releases/
https://support1.cloverdx.com/hc/en-us/articles/360021006520

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