---
cve: "CVE-2026-11913"
severity: "CRITICAL"
cvss: 9.8
epss: "0.6%"
vendor: "Drupal"
kev: false
exploited: false
published: "2026-07-10 23:16:46"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-10-31T07:43:43+01:00"
---

# CVE-2026-11913

> 9.8 CRITICAL

## Beschreibung

vulnerability in Drupal Mother May I allows . This issue affects Mother May I versions: *.*.

## CNA-Record (Kanon, cvelistV5)

- CNA: **drupal**
- State: PUBLISHED
- Stand: 2026-07-13 18:51:40

## CISA-Anreicherung (vulnrichment/ADP)

- CISA-SSVC (Coordinator, v2.0.3):
  - Exploitation: **none**
  - Automatable: **yes**
  - Technical Impact: **total**

## CVSS-Vektor

```
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Netzwerk | bad |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Unverändert | good |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Schwachstellen-Klasse

- **CWE-79** — Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
  The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

## Angriffsmuster (CAPEC)

- [CAPEC-63 — Cross-Site Scripting (XSS)](https://capec.mitre.org/data/definitions/63.html) _(Severity: Very High)_
- [CAPEC-85 — AJAX Footprinting](https://capec.mitre.org/data/definitions/85.html) _(Severity: Low)_
- [CAPEC-209 — XSS Using MIME Type Mismatch](https://capec.mitre.org/data/definitions/209.html) _(Severity: Medium)_
- [CAPEC-588 — DOM-Based XSS](https://capec.mitre.org/data/definitions/588.html) _(Severity: Very High)_
- [CAPEC-591 — Reflected XSS](https://capec.mitre.org/data/definitions/591.html) _(Severity: Very High)_
- [CAPEC-592 — Stored XSS](https://capec.mitre.org/data/definitions/592.html) _(Severity: Very High)_

## BSI-Hinweise (deutsch)

- [Drupal: Mehrere Schwachstellen](https://wid.cert-bund.de/portal/wid/sicherheitshinweis/WID-SEC-W-2026-1882) — _BSI-Einstufung: mittel_
  Ein entfernter, authentisierter Angreifer kann mehrere Schwachstellen in Drupal ausnutzen, um einen Cross Site Scripting Angriff durchzuführen, Sicherheitsmaßnahmen zu umgehen und weitere, nicht spezifizierte Auswirkungen zu verursachen.

## Referenzen

- <https://www.drupal.org/sa-contrib-2026-045>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/sicherheitsluecken/cve-2026-11913/) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI WID (CSAF)_