CVE-2021-35240

Stored XSS via Help Server settings

MEDIUM
4.8
CVSS Score
Published: August 31, 2021 at 03:57 PM UTC
Updated: June 17, 2026 at 03:57 AM UTC
1 product affected across 1 vendorOrion Platform· also runs on 1 platform

Using Orion Platform by SolarWinds?

Get instant alerts when new vulnerabilities affect Orion Platform - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM4.8
Exploit prediction
EPSS 1%

Description

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

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v ≤ 2020.2.52020.2.6 and previous versions ≤ v < 2020.2.6 HF12020.2.6 and previous versions
Affected range stops below 2020.2.6 HF1, so it looks safe — our inference, not a vendor statement
microsoft-internet-explorer (environment)

Runs on — not affected

The affected product only carries this flaw when running on these platforms. The platforms themselves are not vulnerable.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
HIGH
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card