CVE-2020-9280

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2020-04-15 · updated 2026-06-17
Weakness: CWE-434

Description

In SilverStripe through 4.5, files uploaded via Forms to folders migrated from Silverstripe CMS 3.x may be put to the default "/Uploads" folder instead. This affects installations which allowed upload folder protection via the optional silverstripe/secureassets module under 3.x. This module is installed and enabled by default on the Common Web Platform (CWP). The vulnerability only affects files uploaded after an upgrade to 4.x.

Affected products

Silverstripe: from 4.0.0 through 4.5.0

References

https://forum.silverstripe.org/c/releases
https://www.silverstripe.org/download/security-releases/
https://www.silverstripe.org/download/security-releases/cve-2020-9280
https://forum.silverstripe.org/c/releases
https://www.silverstripe.org/download/security-releases/
https://www.silverstripe.org/download/security-releases/cve-2020-9280

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