Vulnerabilities affecting this package (0)
| Vulnerability |
Summary |
Fixed by |
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This package is not known to be affected by vulnerabilities.
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Vulnerabilities fixed by this package (2)
| Vulnerability |
Summary |
Aliases |
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VCID-93qx-tphk-qbhg
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An issue was discovered in eZ Platform Ibexa Kernel before 1.3.1.1. An XSS attack can occur because JavaScript code can be uploaded in a .html or .js file.
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CVE-2021-46875
GHSA-mrvj-7q4f-5p42
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VCID-pjyp-wjua-9kcg
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Duplicate Advisory: Cross Site Scripting in eZ Platform Ibexa Kernel
## Duplicate Advisory
This advisory has been withdrawn because it is a duplicate of GHSA-mrvj-7q4f-5p42. This link is maintained to preserve external references.
## Original Description
## Impact
In file upload it is possible by certain means to upload files like .html and .js. These may contain XSS exploits which will be run when links to them are accessed by victims.
Patches
## Patches
The fix consists simply of adding common types of scriptable file types to the configuration of the already existing filetype blacklist feature. See "Patched versions". As such, this can also be done manually, without installing the patched versions. This may be relevant if you are currently running a considerably older version of the kernel package and don't want to upgrade it at this time. Please see the settting "ezsettings.default.io.file_storage.file_type_blacklist" at:
https://github.com/ezsystems/ezplatform-kernel/blob/master/eZ/Bundle/EzPublishCoreBundle/Resources/config/default_settings.yml#L109
Important note
## Important note
You should adapt this setting to your needs. Do not add file types to the blacklist that you actually need to be able to upload. For instance, if you need your editors to be able to upload SVG files, then don't blacklist that. Instead, you could e.g. use an approval workflow for such content.
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GHSA-c737-jhwr-fqxj
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