# CVE-2026-5696: Multiple vulnerabilities in the Microweber administration panel

> Reflected XSS in Microweber admin panel allows attackers to execute scripts, steal data, or hijack sessions of authenticated users.

- **Severity:** Medium 5.9 (`CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N`)
- **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:** 23 Sep 2026
- **Updated:** 23 Sep 2026
- **Also known as:** GHSA-vvj3-3h3h-g964

## What is CVE-2026-5696?

CVE-2026-5696 is a medium-severity cross-site scripting vulnerability in Microweber Administration panel, published on 23 Sep 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

Reflected Cross-Site Scripting (XSS) in Microweber. The vulnerability lies in the ‘group’ parameter of the ‘/admin/settings’ endpoint in the administration panel. A successful exploit allows an attacker to trick an authenticated user into executing malicious JavaScript code in their browser. This enables the attacker to perform actions without the victim’s consent, steal confidential information or hijack the user’s session.

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

## Which versions are affected by CVE-2026-5696?


## How do I fix CVE-2026-5696?

No fix has been published for CVE-2026-5696 yet. Limit exposure of the affected software until one is available.

## Is CVE-2026-5696 being exploited?

There is no known exploitation of CVE-2026-5696 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-5696 and fix it if it is affected.

What it is: CVE-2026-5696 is a medium-severity cross-site scripting vulnerability in Microweber Administration panel, published on 23 Sep 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-2026-5696 in the wild and no public exploit code.

Affected product: Microweber Administration panel. 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-2026-5696/ (Markdown: https://insights.sbomify.com/CVE-2026-5696/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-5696
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-5696
- OSV: https://osv.dev/vulnerability/CVE-2026-5696

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-5696/
Summaries are generated and may contain mistakes; the official description above is the record.