By generating and tricking a user into visiting a malicious URL, an attacker can perform site defacement.
The defacement is not stored and is only present when the URL has been crafted for that purpose. Only the defacement is present, so no other site content (such as branding) is rendered.
This vulnerability affects the following application versions:
- Drupal 8.0.0
- Drupal 8.0.1
- Drupal 8.0.2
- Drupal 8.0.3
- Drupal 8.0.4
- Drupal 8.0.5
- Drupal 8.0.6
- Drupal 8.1.0
- Drupal 8.1.1
- Drupal 8.1.2
- Drupal 8.1.3
- Drupal 8.1.4
- Drupal 8.1.5
- Drupal 8.1.6
- Drupal 8.1.7
- Drupal 8.1.8
- Drupal 8.1.9
- Drupal 8.1.10
- Drupal 8.2.0
- Drupal 8.2.1
- Drupal 8.2.2
- Drupal 8.2.3
- Drupal 8.2.4
- Drupal 8.2.5
- Drupal 8.2.6
- Drupal 8.2.7
- Drupal 8.2.8
- Drupal 8.3.0
- Drupal 8.3.1
- Drupal 8.3.2
- Drupal 8.3.3
- Drupal 8.3.4
- Drupal 8.3.5
- Drupal 8.3.6
- Drupal 8.3.7
- Drupal 8.3.8
- Drupal 8.3.9
- Drupal 8.4.0
- Drupal 8.4.1
- Drupal 8.4.2
- Drupal 8.4.3
- Drupal 8.4.4
- Drupal 8.4.5
- Drupal 8.4.6
- Drupal 8.4.7
- Drupal 8.4.8
- Drupal 8.5.0
- Drupal 8.5.1
- Drupal 8.5.2
- Drupal 8.5.3
- Drupal 8.5.4
- Drupal 8.5.5
- Drupal 8.5.6
- Drupal 8.5.7
- Drupal 8.5.8
- Drupal 8.5.9
- Drupal 8.5.10
- Drupal 8.5.11
- Drupal 8.5.12
- Drupal 8.5.13
- Drupal 8.5.14
- Drupal 8.5.15
- Drupal 8.6.0
- Drupal 8.6.1
- Drupal 8.6.2
- Drupal 8.6.3
- Drupal 8.6.4
- Drupal 8.6.5
- Drupal 8.6.6
- Drupal 8.6.7
- Drupal 8.6.8
- Drupal 8.6.9
- Drupal 8.6.10
- Drupal 8.6.11
- Drupal 8.6.12
- Drupal 8.6.13
- Drupal 8.6.14
- Drupal 8.6.15
- Drupal 8.6.16
- Drupal 8.6.17
- Drupal 8.6.18
- Drupal 8.7.0
- Drupal 8.7.1
- Drupal 8.7.2
- Drupal 8.7.3
- Drupal 8.7.4
- Drupal 8.7.5
- Drupal 8.7.6
- Drupal 8.7.7
- Drupal 8.7.8
- Drupal 8.7.9
- Drupal 8.7.10
- Drupal 8.7.11
- Drupal 8.7.12
- Drupal 8.7.13
- Drupal 8.7.14
- Drupal 8.8.0
- Drupal 8.8.1
- Drupal 8.8.2
- Drupal 8.8.3
- Drupal 8.8.4
- Drupal 8.8.5
- Drupal 8.8.6
- Drupal 8.8.7
- Drupal 8.8.8
- Drupal 8.8.9
- Drupal 8.8.10
- Drupal 8.8.11
- Drupal 8.8.12
- Drupal 8.9.0
- Drupal 8.9.1
- Drupal 8.9.2
- Drupal 8.9.3
- Drupal 8.9.4
- Drupal 8.9.5
- Drupal 8.9.6
- Drupal 8.9.7
- Drupal 8.9.8
- Drupal 8.9.9
- Drupal 8.9.10
- Drupal 8.9.11
- Drupal 8.9.12
- Drupal 8.9.13
- Drupal 8.9.14
- Drupal 8.9.15
- Drupal 8.9.16
- Drupal 8.9.17
- Drupal 8.9.18
- Drupal 8.9.19
- Drupal 8.9.20
- Drupal 9.0.0
- Drupal 9.0.1
- Drupal 9.0.2
- Drupal 9.0.3
- Drupal 9.0.4
- Drupal 9.0.5
- Drupal 9.0.6
- Drupal 9.0.7
- Drupal 9.0.8
- Drupal 9.0.9
- Drupal 9.0.10
- Drupal 9.0.11
- Drupal 9.0.12
- Drupal 9.0.13
- Drupal 9.0.14
- Drupal 9.1.0
- Drupal 9.1.1
- Drupal 9.1.2
- Drupal 9.1.3
- Drupal 9.1.4
- Drupal 9.1.5
- Drupal 9.1.6
- Drupal 9.1.7
- Drupal 9.1.8
- Drupal 9.1.9
- Drupal 9.1.10
- Drupal 9.1.11
- Drupal 9.1.12
- Drupal 9.1.13
- Drupal 9.1.14
- Drupal 9.1.15
- Drupal 9.2.0
- Drupal 9.2.1
- Drupal 9.2.2
- Drupal 9.2.3
- Drupal 9.2.4
- Drupal 9.2.5
- Drupal 9.2.6
- Drupal 9.2.7
- Drupal 9.2.8
- Drupal 9.2.9
- Drupal 9.2.10
- Drupal 9.2.11
- Drupal 9.2.12
- Drupal 9.2.13
- Drupal 9.2.14
- Drupal 9.2.15
- Drupal 9.2.16
- Drupal 9.2.17
- Drupal 9.2.18
- Drupal 9.2.19
- Drupal 9.2.20
- Drupal 9.2.21
- Drupal 9.3.0
- Drupal 9.3.1
- Drupal 9.3.2
- Drupal 9.3.3
- Drupal 9.3.4
- Drupal 9.3.5
- Drupal 9.3.6
- Drupal 9.3.7
- Drupal 9.3.8
- Drupal 9.3.9
- Drupal 9.3.10
- Drupal 9.3.11
- Drupal 9.3.12
- Drupal 9.3.13
- Drupal 9.3.14
- Drupal 9.3.15
- Drupal 9.3.16
- Drupal 9.3.17
- Drupal 9.3.18
- Drupal 9.3.19
- Drupal 9.3.20
- Drupal 9.3.21
- Drupal 9.3.22
- Drupal 9.4.0
- Drupal 9.4.1
- Drupal 9.4.2
- Drupal 9.4.3
- Drupal 9.4.4
- Drupal 9.4.5
- Drupal 9.4.6
- Drupal 9.4.7
- Drupal 9.4.8
- Drupal 9.4.9
- Drupal 9.4.10
- Drupal 9.4.11
- Drupal 9.4.12
- Drupal 9.4.13
- Drupal 9.4.14
- Drupal 9.4.15
- Drupal 9.5.0
- Drupal 9.5.1
- Drupal 9.5.2
- Drupal 9.5.3
- Drupal 9.5.4
- Drupal 9.5.5
- Drupal 9.5.6
- Drupal 9.5.7
- Drupal 9.5.8
- Drupal 9.5.9
- Drupal 9.5.10
- Drupal 9.5.11
- Drupal 10.0.0
- Drupal 10.0.1
- Drupal 10.0.2
- Drupal 10.0.3
- Drupal 10.0.4
- Drupal 10.0.5
- Drupal 10.0.6
- Drupal 10.0.7
- Drupal 10.0.8
- Drupal 10.0.9
- Drupal 10.0.10
- Drupal 10.0.11
- Drupal 10.1.0
- Drupal 10.1.1
- Drupal 10.1.2
- Drupal 10.1.3
- Drupal 10.1.4
- Drupal 10.1.5
- Drupal 10.1.6
- Drupal 10.1.7
- Drupal 10.1.8
- Drupal 10.2.0
- Drupal 10.2.1
- Drupal 10.2.2
- Drupal 10.2.3
- Drupal 10.2.4
- Drupal 10.2.5
- Drupal 10.2.6
- Drupal 10.2.7
- Drupal 10.2.8
- Drupal 10.2.9
- Drupal 10.2.10
- Drupal 10.2.11
- Drupal 10.2.12
- Drupal 10.3.0
- Drupal 10.3.1
- Drupal 10.3.2
- Drupal 10.3.3
- Drupal 10.3.4
- Drupal 10.3.5
- Drupal 10.3.6
- Drupal 10.3.7
- Drupal 10.3.8
- Drupal 10.3.9
- Drupal 10.3.10
- Drupal 10.3.11
- Drupal 10.3.12
- Drupal 10.3.13
- Drupal 10.3.14
- Drupal 10.4.0
- Drupal 10.4.1
- Drupal 10.4.2
- Drupal 10.4.3
- Drupal 10.4.4
- Drupal 10.4.5
- Drupal 10.4.6
- Drupal 10.4.7
- Drupal 10.4.8
- Drupal 10.5.0
- Drupal 10.5.1
- Drupal 10.5.2
- Drupal 10.5.3
- Drupal 10.5.4
- Drupal 10.5.5
- Drupal 11.0.0
- Drupal 11.0.1
- Drupal 11.0.2
- Drupal 11.0.3
- Drupal 11.0.4
- Drupal 11.0.5
- Drupal 11.0.6
- Drupal 11.0.7
- Drupal 11.0.8
- Drupal 11.0.9
- Drupal 11.0.10
- Drupal 11.0.11
- Drupal 11.0.12
- Drupal 11.0.13
- Drupal 11.1.0
- Drupal 11.1.1
- Drupal 11.1.2
- Drupal 11.1.3
- Drupal 11.1.4
- Drupal 11.1.5
- Drupal 11.1.6
- Drupal 11.1.7
- Drupal 11.1.8
- Drupal 11.2.0
- Drupal 11.2.1
- Drupal 11.2.2
- Drupal 11.2.3
- Drupal 11.2.4
- Drupal 11.2.5
- Drupal 11.2.6
- Drupal 11.2.7