# CVE-2026-25624: Arista Edge Threat Management NGFW UI Administrative Cross-Site Scripting

> Administrative cross-site scripting in Arista NGFW UI allows attackers to execute scripts in admin sessions, potentially bypassing security controls.

- **Severity:** Medium 5.8 (`CVSS:4.0/AV:N/AC:L/AT:P/PR:H/UI:P/VC:H/VI:L/VA:L/SC:L/SI:L/SA:L`)
- **Exploited in the wild:** Not known
- **Login needed:** An administrator
- **Attackable:** Over the internet
- **Victim action needed:** A user has to click or open something
- **Fix available:** No
- **Published:** 5 Jun 2026
- **Updated:** 5 Jun 2026
- **Also known as:** GHSA-5h7h-rxr9-2ccv

## What is CVE-2026-25624?

CVE-2026-25624 is a medium-severity cross-site scripting vulnerability in Arista Edge Threat Management - Arista Next Generation Firewall (NGFW), published on 5 Jun 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

An administrative cross-site scripting (XSS) vulnerability exists in the web user interface dashboard layout of Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). Unvalidated user-supplied variables are echoed back to administrative profiles, facilitating vector payload processing behavior controls.

Weakness: CWE-79 (Improper Neutralization of Input During Web Page Generation)

## Which versions are affected by CVE-2026-25624?

It affects 1 product.


Products: Arista Ng Firewall.

## How do I fix CVE-2026-25624?

No fix has been published for CVE-2026-25624 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-25624 being exploited?

There is no known exploitation of CVE-2026-25624 in the wild and no public exploit code.

## Other vulnerabilities in Arista Edge Threat Management - Arista Next Generation Firewall (NGFW)

- [CVE-2025-2767](https://insights.sbomify.com/CVE-2025-2767/): Arista NG Firewall User-Agent Cross-Site Scripting Remote Code Execution Vulnerability (high 8.8)
- [CVE-2024-9188](https://insights.sbomify.com/CVE-2024-9188/): Specially constructed queries cause cross platform scripting leaking administrator tokens (high 8.8)
- [CVE-2024-27889](https://insights.sbomify.com/CVE-2024-27889/): SQL injection in Arista Edge Threat Management - Arista NG Firewall (NGFW) (high 8.8)
- [CVE-2024-47519](https://insights.sbomify.com/CVE-2024-47519/): Backup uploads to ETM subject to man-in-the-middle interception (high 8.3)
- [CVE-2024-9134](https://insights.sbomify.com/CVE-2024-9134/): SQL injection in Arista Edge Threat Management (high 8.3)

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-25624 and fix it if it is affected.

What it is: CVE-2026-25624 is a medium-severity cross-site scripting vulnerability in Arista Edge Threat Management - Arista Next Generation Firewall (NGFW), published on 5 Jun 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Exploitation: There is no known exploitation of CVE-2026-25624 in the wild and no public exploit code.

Affected product: Arista Edge Threat Management - Arista Next Generation Firewall (NGFW). 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-2026-25624/ (Markdown: https://insights.sbomify.com/CVE-2026-25624/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-25624
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-25624
- OSV: https://osv.dev/vulnerability/CVE-2026-25624

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From sbomify Insights: https://insights.sbomify.com/CVE-2026-25624/
Summaries are generated and may contain mistakes; the official description above is the record.