CVE-2022-28803
Stored XSS in link tags added via XHR in SilverStripe Framework
5.4
MEDIUM
CVSS 3.1
EPSS 0.19%
Description
SilverStripe Framework 4.x prior to 4.10.9 is vulnerable to cross-site scripting inside the href attribute of an HTML hyperlink, which can be added to website content via XMLHttpRequest (XHR) by an authenticated CMS user.
How to fix CVE-2022-28803
To remediate CVE-2022-28803, upgrade the affected package to a fixed version below.
- —upgrade to 4.10.9 or later
- —upgrade to 4.10.9 or later
Is CVE-2022-28803 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.10.9
- >= 4.0.0, < 4.10.9
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |