CVE-2026-28426 Statamic vulnerable to privilege escalation via stored cross-site scripting
Authenticated users can inject malicious JavaScript via SVG components, leading to privilege escalation when viewed by higher-privileged users.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2026-28426?
CVE-2026-28426 is a high-severity cross-site scripting vulnerability in statamic cms, published on 27 Feb 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Statmatic is a Laravel and Git powered content management system (CMS). Prior to versions 5.73.11 and 6.4.0, stored XSS vulnerability in svg and icon related components allow authenticated users with appropriate permissions to inject malicious JavaScript that executes when viewed by higher-privileged users. This has been fixed in 5.73.11 and 6.4.0.
Weakness: CWE-79
Which versions are affected by CVE-2026-28426?
4 open source packages ship an affected version, including statamic/cms. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
statamic/cms Packagist | All versions | 5.73.11 |
statamic/cms Packagist | All versions | 5.73.11 |
statamic/cms Packagist | From 6.0.0-alpha.1 | 6.4.0 |
statamic/cms Packagist | From 6.0.0-alpha.1 | 6.4.0 |
Products include Statamic Statamic.
How do I fix CVE-2026-28426?
Upgrade statamic/cms to a fixed version for your release line: 5.73.11 or 6.4.0.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-28426 being exploited?
There is no known exploitation of CVE-2026-28426 in the wild and no public exploit code.
Other vulnerabilities in statamic cms
- CVE-2021-45364 Code injection in n/a
- CVE-2026-27593 Statamic is vulnerable to account takeover via password reset link injection
- CVE-2026-27939 Statamic allows Authenticated Control Panel users to escalate privileges via elevated session bypass
- CVE-2023-48217 Remote code execution via form uploads in statamic/cms
- CVE-2017-11422 Statamic framework Incorrect Permission Assignment
Sources
Also known as GHSA-5vrj-wf7v-5wr7.