CVE-2021-35238

Name: CVE-2021-35238
Creator: NVD / NIST
Published: 2021-09-01T12:15:07.607+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.8/10EPSS 1.06%

Last modified Jun 17, 2026

CVE-2021-35238 is a medium-severity vulnerability rated 4.8/10 on the CVSS scale. User with Orion Platform Admin Rights could store XSS through URL POST parameter in CreateExternalWebsite website.. EPSS estimates a 1.06% chance of exploitation in the next 30 days.

Description

User with Orion Platform Admin Rights could store XSS through URL POST parameter in CreateExternalWebsite website.

Metrics

CVSS 3.1

4.8/10

CVSS:3.1/AV:A/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

EPSS Probability

1.06%

60.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Solarwinds	Orion Platform	<= 2020.2.5
Solarwinds	Orion Platform	2020.2.6

References

https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htmProduct, 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-2021-35238Broken Link
https://documentation.solarwinds.com/en/success_center/orionplatform/content/core-secure-configuration.htmProduct, 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-2021-35238Broken Link

Timeline

Published: Sep 1, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-35238?

User with Orion Platform Admin Rights could store XSS through URL POST parameter in CreateExternalWebsite website.

How severe is CVE-2021-35238?

CVE-2021-35238 has a CVSS score of 4.8/10 (MEDIUM severity). The EPSS model estimates a 1.06% probability of exploitation in the next 30 days.

How do I fix CVE-2021-35238?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-35238?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST