CVE-2026-45231 DumbAssets 1.0.11 Stored Cross-Site Scripting via Asset Fields

Medium 5.3 Published Updated

Attackers can inject scripts into asset fields to execute code in victim browsers, potentially bypassing CSP to access internal networks.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2026-45231?

CVE-2026-45231 is a medium-severity cross-site scripting vulnerability in DumbWareio DumbAssets, published on 18 May 2026. 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

DumbAssets through 1.0.11 contains a stored cross-site scripting vulnerability in asset fields including name, description, modelNumber, serialNumber, and tags that are stored without server-side sanitization and rendered using innerHTML without client-side escaping. Attackers can create or update assets with HTML or JavaScript payloads via the asset API endpoints to execute arbitrary scripts in the browsers of users viewing the asset list, and with Content-Security-Policy disabled, the injected scripts can make unrestricted connections to internal network services.

Weakness: CWE-79

Which versions are affected by CVE-2026-45231?

How do I fix CVE-2026-45231?

No fix has been published for CVE-2026-45231 yet. Limit exposure of the affected software until one is available.

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-2026-45231 being exploited?

There is no known exploitation of CVE-2026-45231 in the wild and no public exploit code.

Sources

Also known as GHSA-9ccf-75hj-3v32.

Is CVE-2026-45231 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free