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GHSA-55pp-293f-3365

silverstripe/userforms file upload exposure on UserForms module

4.3 MediumFix available

The userforms module allows CMS administrators to create public facing forms with file upload abilities. These files are uploaded into a predictable public path on the website, unless configured otherwise by the CMS administrator setting up the form. While the name of the uploaded file itself is not predictable, certain actions taken by CMS authors could expose it. For example, submission notification emails contain a link to the file without authorisation checks.

In 3.0.0 this field is disabled by default, but re-enabled upon installation of the secure assets module. When this is installed, the field can once again be used within a form, and will automatically lock this folder to a secure list of users, which can then be configured further by an administrator.

Existing file upload fields will not be disabled, but will require re-enabling via config or installation of secure assets to become editable again.

If any upload field points or is pointed to a folder that is not secured, and the secure assets module is present, then that folder will have the secure permissions applied automatically.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
Low
Integrity
None
Availability
None

What each source reports

GitHub Advisories Score used 4.3

silverstripe/userforms file upload exposure on UserForms module

The userforms module allows CMS administrators to create public facing forms with file upload abilities. These files are uploaded into a predictable public path on the website, unless configured otherwise by the CMS administrator setting up the form. While the name of the uploaded file itself is not predictable, certain actions taken by CMS authors could expose it. For example, submission notification emails contain a link to the file without authorisation checks.

In 3.0.0 this field is disabled by default, but re-enabled upon installation of the secure assets module. When this is installed, the field can once again be used within a form, and will automatically lock this folder to a secure list of users, which can then be configured further by an administrator.

Existing file upload fields will not be disabled, but will require re-enabling via config or installation of secure assets to become editable again.

If any upload field points or is pointed to a folder that is not secured, and the secure assets module is present, then that folder will have the secure permissions applied automatically.

Record
GHSA-55pp-293f-3365
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02
OSV 4.3

silverstripe/userforms file upload exposure on UserForms module

The userforms module allows CMS administrators to create public facing forms with file upload abilities. These files are uploaded into a predictable public path on the website, unless configured otherwise by the CMS administrator setting up the form. While the name of the uploaded file itself is not predictable, certain actions taken by CMS authors could expose it. For example, submission notification emails contain a link to the file without authorisation checks.

In 3.0.0 this field is disabled by default, but re-enabled upon installation of the secure assets module. When this is installed, the field can once again be used within a form, and will automatically lock this folder to a secure list of users, which can then be configured further by an administrator.

Existing file upload fields will not be disabled, but will require re-enabling via config or installation of secure assets to become editable again.

If any upload field points or is pointed to a folder that is not secured, and the secure assets module is present, then that folder will have the secure permissions applied automatically.

Record
GHSA-55pp-293f-3365
CVSS 3.1
4.3 MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Weakness
CWE-200
Updated
2026-11-02

Affected packages

Affected packages
PackageAffectedFixed
silverstripe/userforms
Packagist
before 3.0.0
3.0.0
silverstripe/userforms
Packagist
before 3.0.0, plus listed versions
0.5.11.0.11.1.0-beta2.0.12.0.1-rc1
Show 10 moreShow less
2.0.102.0.22.0.32.0.42.0.52.0.62.0.72.0.82.0.93.0.0-beta1
3.0.0

History

History
RecordedChangedSources
first indexedGitHub Advisories, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

GHSA-55pp-293f-3365 is a medium vulnerability (CVSS 4.3) in silverstripe/userforms, published May 28, 2024. No source lists public exploit code. Fixed in silverstripe/userforms 3.0.0.

References

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