CVE-2021-35240: SolarWinds Orion Platform

Medium severity, CVSS 4.8. EPSS: 1.1% chance of exploitation in the next 30 days.

A security researcher stored XSS via a Help Server setting. This affects customers using Internet Explorer, because they do not support 'rel=noopener'.

Affected products

• SolarWinds Orion Platform: up to and including 2020.2.5

Published 2021-08-31. Last modified 2026-06-17.