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

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

- **Severity:** Medium 5.3 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N`)
- **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 available:** No
- **Published:** 18 May 2026
- **Updated:** 14 Jul 2026
- **Also known as:** GHSA-9ccf-75hj-3v32

## 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 (Improper Neutralization of Input During Web Page Generation)

## 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.

## Is CVE-2026-45231 being exploited?

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

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-45231 and fix it if it is affected.

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

Affected product: DumbWareio DumbAssets. No package-level version data is available, so check the vendor advisory linked from the reference page.

Task:
1. Search the dependency manifests and lockfiles (for example package.json, package-lock.json, requirements.txt, poetry.lock, uv.lock, pom.xml, build.gradle, go.mod, Cargo.lock, Gemfile.lock) and any Dockerfiles for the affected packages, including transitive dependencies.
2. If an affected version is in use, upgrade it to the fixed version for its release line with the project's package manager, so the lockfile is regenerated. Prefer the smallest upgrade that fixes it.
3. If there is no fix, or the upgrade would break the build, do not guess: explain the risk and the safest workaround instead.
4. Run the tests and summarise what changed and why.
5. If nothing in the project is affected, say so and change nothing.

Reference: https://insights.sbomify.com/CVE-2026-45231/ (Markdown: https://insights.sbomify.com/CVE-2026-45231/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-45231
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-45231
- OSV: https://osv.dev/vulnerability/CVE-2026-45231

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-45231/
Summaries are generated and may contain mistakes; the official description above is the record.