# CVE-2026-0947: AT Internet Piano Analytics - Moderately critical - Cross-site Scripting - SA-CONTRIB-2026-004

> An attacker can inject malicious scripts into web pages via the AT Internet Piano Analytics Drupal module, potentially compromising user sessions.

- **Severity:** Medium 4.8 (`CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A: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:** Yes
- **Published:** 4 Feb 2026
- **Updated:** 4 Feb 2026
- **Also known as:** DRUPAL-CONTRIB-2026-004, GHSA-hfmp-6wvq-f326

## What is CVE-2026-0947?

CVE-2026-0947 is a medium-severity cross-site scripting vulnerability in Drupal AT Internet Piano Analytics, published on 4 Feb 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.

### Official description

Improper Neutralization of Input During Web Page Generation ("Cross-site Scripting") vulnerability in Drupal AT Internet Piano Analytics allows Cross-Site Scripting (XSS).This issue affects AT Internet Piano Analytics: from 0.0.0 before 1.0.1, from 2.0.0 before 2.3.1.

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

## Which versions are affected by CVE-2026-0947?

It affects 1 product.


| Package | Ecosystem | Affected | Fixed in |
| --- | --- | --- | --- |
| `drupal/pianoanalytics` | Packagist:https://packages.drupal.org/8 | All versions | 1.0.1, 2.3.1 |

Products: Bordeaux-Metropole at Internet Piano Analytics.

## How do I fix CVE-2026-0947?

Upgrade to a fixed version.

## Is CVE-2026-0947 being exploited?

There is no known exploitation of CVE-2026-0947 in the wild and no public exploit code.

## Fix prompt for AI coding agents

```text
Check this codebase for CVE-2026-0947 and fix it if it is affected.

What it is: CVE-2026-0947 is a medium-severity cross-site scripting vulnerability in Drupal AT Internet Piano Analytics, published on 4 Feb 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-2026-0947 in the wild and no public exploit code.

Affected product: Drupal AT Internet Piano Analytics. 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-2026-0947/ (Markdown: https://insights.sbomify.com/CVE-2026-0947/index.md)
```

## Sources

- CVE record: https://www.cve.org/CVERecord?id=CVE-2026-0947
- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-0947
- OSV: https://osv.dev/vulnerability/CVE-2026-0947

---
From sbomify Insights: https://insights.sbomify.com/CVE-2026-0947/
Summaries are generated and may contain mistakes; the official description above is the record.