CVE-2021-36150
Cross-site Scripting in SilverStripe Framework
SilverStripe Framework through 4.8.1 allows XSS.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
SilverStripe Framework through 4.8.1 allows XSS.
- Record
CVE-2021-36150- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
SilverStripe Framework through 4.8.1 allows XSS.
- Record
CVE-2021-36150- Updated
- 2026-11-02
EUVDEUVD-2021-2213 No score
SilverStripe Framework through 4.8.1 allows XSS.
- Record
EUVD-2021-2213- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j66h-cc96-c32q
Cross-site Scripting in SilverStripe Framework
SilverStripe Framework through 4.8.1 allows XSS.
- Record
GHSA-j66h-cc96-c32q- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
SilverStripe Framework through 4.8.1 allows XSS.
- Record
CVE-2021-36150- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-j66h-cc96-c32q
Cross-site Scripting in SilverStripe Framework
SilverStripe Framework through 4.8.1 allows XSS.
- Record
GHSA-j66h-cc96-c32q- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVBIT-silverstripe-2021-36150 No score
SilverStripe Framework through 4.8.1 allows XSS.
- Record
BIT-silverstripe-2021-36150- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
silverstripe/adminPackagist |
1.0.0 up to 1.8.1 | 1.8.1 |
silverstripeBitnami |
1.0.0 up to 1.8.1, 1.9.0 up to 4.8.1 | 1.8.14.8.1 |
silverstripe/adminPackagist |
1.0.0 up to 1.8.1, plus listed versions 1.0.11.0.1-rc11.0.21.0.31.0.4 Show 45 moreShow less1.0.51.0.61.0.71.1.01.1.0-rc11.1.0-rc21.1.11.1.21.1.31.1.41.1.51.2.01.2.0-beta11.2.11.2.21.2.31.2.41.2.51.2.61.3.01.3.0-rc11.3.11.3.21.3.31.3.41.3.51.4.01.4.0-rc11.4.11.4.21.4.31.4.41.4.51.5.01.5.0-alpha11.5.0-rc11.5.0-rc21.5.11.5.21.6.01.6.0-beta11.6.0-rc11.6.11.6.21.6.3 |
1.8.1 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-36150 is a medium vulnerability (CVSS 6.1) in Silverstripe, published October 7, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.85%, the 58th percentile. Fixed in silverstripe/admin 1.8.1.
References
github.com/silverstripe/silverstripe-framework/releases
silverstripe.org/download/security-releases/CVE-2021-36150
nvd.nist.gov/vuln/detail/CVE-2021-36150
Left out here: 11 versions. The JSON record has them.