CVE-2023-37611 Neos CMS Cross Site Scripting vulnerability
Remote authenticated attackers can execute arbitrary code via crafted SVG files in Neos CMS media management.
- 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-2023-37611?
CVE-2023-37611 is a medium-severity cross-site scripting vulnerability in n/a, published on 18 Sep 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Cross Site Scripting (XSS) vulnerability in Neos CMS 8.3.3 allows a remote authenticated attacker to execute arbitrary code via a crafted SVG file to the neos/management/media component.
Weakness: CWE-79
Which versions are affected by CVE-2023-37611?
11 open source packages ship an affected version, including neos/media-browser and neos. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
neos/media-browser Packagist | All versions | 7.3.19 |
neos/media-browser Packagist | All versions | 7.3.19 |
neos/media-browser Packagist | From 8.0.0 | 8.0.16 |
neos/media-browser Packagist | From 8.0.0 | 8.0.16 |
neos/media-browser Packagist | From 8.1.0 | 8.1.11 |
neos/media-browser Packagist | From 8.1.0 | 8.1.11 |
5 more packages
neos/media-browser Packagist | From 8.2.0 | 8.2.11 |
neos/media-browser Packagist | From 8.2.0 | 8.2.11 |
neos/media-browser Packagist | From 8.3.0 | 8.3.9 |
neos/media-browser Packagist | From 8.3.0 | 8.3.9 |
neos Bitnami | From 8.3.3 to 8.3.3 | None |
Products include Neos Neos Cms.
How do I fix CVE-2023-37611?
Upgrade neos/media-browser to a fixed version for your release line: 7.3.19, 8.0.16, 8.1.11 or 8.2.11.
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-2023-37611 being exploited?
There is no known exploitation of CVE-2023-37611 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as BIT-neos-2023-37611, GHSA-6qjf-7g3j-qx25.