CVE-2023-48701 Statamic CMS vulnerable to Cross-site Scripting via uploaded assets

What is CVE-2023-48701?

CVE-2023-48701 is a high-severity cross-site scripting vulnerability in statamic cms, published on 21 Nov 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Statamic CMS is a Laravel and Git powered content management system (CMS). Prior to versions 3.4.15 an 4.36.0, HTML files crafted to look like images may be uploaded regardless of mime validation. This is only applicable on front-end forms using the "Forms" feature containing an assets field, or within the control panel which requires authentication. This issue has been patched on 3.4.15 and 4.36.0.

Weakness: CWE-79

Which versions are affected by CVE-2023-48701?

4 open source packages ship an affected version, including statamic/cms. It affects 1 product.

Products include Statamic Statamic.

How do I fix CVE-2023-48701?

Upgrade statamic/cms to a fixed version for your release line: 3.4.15 or 4.36.0.

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-2023-48701 being exploited?

There is no known exploitation of CVE-2023-48701 in the wild and no public exploit code.

Other vulnerabilities in statamic cms

• CVE-2021-45364 Code injection in n/a Critical 9.8
• CVE-2026-27593 Statamic is vulnerable to account takeover via password reset link injection Critical 9.3
• CVE-2026-27939 Statamic allows Authenticated Control Panel users to escalate privileges via elevated session bypass High 8.8
• CVE-2023-48217 Remote code execution via form uploads in statamic/cms High 8.8
• CVE-2017-11422 Statamic framework Incorrect Permission Assignment High 8.8

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-8jjh-j3c2-cjcv.