CVE-2021-35240

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

• CWE-79
• CWE-79

• https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htmProduct, Vendor Advisory
• https://support.solarwinds.com/SuccessCenter/s/article/Mitigate-the-Stored-XSS-via-Help-Server-setting-CVE-2021-35240?language=en_USPatch, Vendor Advisory
• https://support.solarwinds.com/SuccessCenter/s/article/Orion-Platform-2020-2-6-Hotfix-1?language=en_USMitigation, Vendor Advisory
• https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35240Vendor Advisory
• https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htmProduct, Vendor Advisory
• https://support.solarwinds.com/SuccessCenter/s/article/Mitigate-the-Stored-XSS-via-Help-Server-setting-CVE-2021-35240?language=en_USPatch, Vendor Advisory
• https://support.solarwinds.com/SuccessCenter/s/article/Orion-Platform-2020-2-6-Hotfix-1?language=en_USMitigation, Vendor Advisory
• https://www.solarwinds.com/trust-center/security-advisories/cve-2021-35240Vendor Advisory

Published

Aug 31, 2021

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
• Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
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