GHSA-pp74-g2q5-j4jf
Silverstipe CMS Stored XSS in custom meta tags
Packages
| Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|
| Packagist | silverstripe/cms | >= 4.0.0, < 4.11.3 | 4.11.3 |
Details
As written in the advisory (Markdown source, shown as plain text).
A malicious content author could create a custom meta tag and execute an arbitrary JavaScript payload. This would require convincing a legitimate user to access a page and enter a custom keyboard shortcut.
This requires CMS access to exploit.
References
External links from the advisory. They lead to third-party sites.
- https://nvd.nist.gov/vuln/detail/CVE-2022-37421
- https://forum.silverstripe.org/c/releases
- https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/cms/CVE-2022-37421.yaml
- https://www.silverstripe.org/blog/tag/release
- https://www.silverstripe.org/download/security-releases
- https://www.silverstripe.org/download/security-releases/cve-2022-37421