CVE-2021-36150

Name: CVE-2021-36150
Creator: NVD / NIST
Published: 2021-10-07T14:15:08.16+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.79%

Last modified Jun 17, 2026

CVE-2021-36150 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. SilverStripe Framework through 4.8.1 allows XSS.. EPSS estimates a 0.79% chance of exploitation in the next 30 days.

Description

SilverStripe Framework through 4.8.1 allows XSS.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.79%

51.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Silverstripe	Silverstripe	>= 1.0.0, < 1.8.1
Silverstripe	Silverstripe	> 1.9.0, <= 4.8.1

References

https://github.com/silverstripe/silverstripe-framework/releasesRelease Notes, Third Party Advisory
https://www.silverstripe.org/download/security-releases/CVE-2021-36150Vendor Advisory
https://github.com/silverstripe/silverstripe-framework/releasesRelease Notes, Third Party Advisory
https://www.silverstripe.org/download/security-releases/CVE-2021-36150Vendor Advisory

Timeline

Published: Oct 7, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-36150?

SilverStripe Framework through 4.8.1 allows XSS.

How severe is CVE-2021-36150?

CVE-2021-36150 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.

How do I fix CVE-2021-36150?

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-2021-36150?

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

Scan your code now

Source: NVD / NIST