GHSA-qw4w-vq8v-2wcv

Stored XSS using uppercase characters in HTMLEditor

Source: GitHub Advisory Database (reviewed) Moderate CVE-2022-37430

Packages

Ecosystem	Package	Affected	Fixed in
Packagist	silverstripe/framework	>= 4.0.0, < 4.11.13	4.11.13

Details

As written in the advisory (Markdown source, shown as plain text).

A malicious content author could add a Javascript payload to the href attribute of a link. A similar issue was identified and fixed via CVE-2022-28803. However, the fix didn't account for the casing of the href attribute. An attacker must have access to the CMS to exploit this issue.

References

External links from the advisory. They lead to third-party sites.

https://nvd.nist.gov/vuln/detail/CVE-2022-37430 advisory
https://forum.silverstripe.org/c/releases web
https://github.com/FriendsOfPHP/security-advisories/blob/master/silverstripe/framework/CVE-2022-37430.yaml web
https://www.silverstripe.org/blog/tag/release web
https://www.silverstripe.org/download/security-releases web
https://www.silverstripe.org/download/security-releases/cve-2022-37430 web