MEDIUM6.1
GHSA-j696-6m57-mcrv
Silverstripe CMS XSS Vulnerability
Quick fix
GHSA-j696-6m57-mcrv — silverstripe/cms: upgrade to the fixed version with the command below.
composer require silverstripe/cms:^3.6.1Details
SilverStripe CMS before 3.6.1 has XSS via an SVG document that is mishandled by (1) the Insert Media option in the content editor or (2) an admin/assets/add pathname, as demonstrated by the admin/pages/edit/EditorToolbar/MediaForm/field/AssetUploadField/upload URI, aka issue SS-2017-017.
Are you affected?
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Affected packages
Packagist/silverstripe/cms
Introduced in:
0Fixed in: 3.6.1Fix
composer require silverstripe/cms:^3.6.1References
- https://nvd.nist.gov/vuln/detail/CVE-2017-14498[ADVISORY]
- https://github.com/silverstripe/silverstripe-framework/commit/25b77a2ff8deabe8e8894002b9a5647eaec27b0a[WEB]
- https://github.com/silverstripe/silverstripe-installer/commit/c25478bef75cc5482852e80a1fa6f1f0e6460e39[WEB]
- https://docs.silverstripe.org/en/3/changelogs/3.6.1[WEB]
- http://lists.openwall.net/full-disclosure/2017/09/14/2[WEB]