What’s Vulnerable › Vulnerabilities

CVE-2021-36150

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.9% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-10-07 · updated 2026-06-17
• Weakness: CWE-79

Description

SilverStripe Framework through 4.8.1 allows XSS.

Affected products

• Silverstripe: from 1.0.0 before 1.8.1; from 1.9.0 (excl.) through 4.8.1 — fixed in 1.8.1

How to fix

Upgrade to a fixed version: Silverstripe 1.8.1. Check the vendor advisory for mitigations.

References

• https://github.com/silverstripe/silverstripe-framework/releases
• https://www.silverstripe.org/download/security-releases/CVE-2021-36150
• https://github.com/silverstripe/silverstripe-framework/releases
• https://www.silverstripe.org/download/security-releases/CVE-2021-36150

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