What it is about

Drupal ist ein freies Content-Management-System, basierend auf der Scriptsprache PHP und einer SQL-Datenbank. Über zahlreiche Extensions kann der Funktionsumfang der Core-Installation individuell erweitert werden. Ein Angreifer kann mehrere Schwachstellen in Drupal Core ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen, und um beliebigen Programmcode auszuführen.

Under what conditions?

The BSI does not name any particular preconditions. Exploitable remotely according to the BSI.

What can happen in the worst case

An attacker could use the vulnerability to

• einen Cross-Site Scripting Angriff durchzuführen
• beliebigen Programmcode auszuführen

Am I affected?

Affected according to the BSI:

• Open Source Drupal Core <10.5.9
• Open Source Drupal Core <10.6.7
• Open Source Drupal Core <11.2.11
• Open Source Drupal Core <11.3.7

The installed version is usually shown under “Help → About” or in the device’s admin interface.

What helps?

Update to at least:

• Open Source Drupal Core 10.5.9
• Open Source Drupal Core 10.6.7
• Open Source Drupal Core 11.2.11
• Open Source Drupal Core 11.3.7

Is the vulnerability already being exploited?

None of the CVEs is in the CISA catalogue of exploited vulnerabilities. That does not mean there are no attacks, only that none are documented.