The activation key for multisite installations is not fully random. The predictable nature of this key weakens its cryptographical properties and allows potential information disclosure.
This vulnerability affects the following application versions:
- WordPress 3.0
- WordPress 3.0.1
- WordPress 3.0.2
- WordPress 3.0.3
- WordPress 3.0.4
- WordPress 3.0.5
- WordPress 3.0.6
- WordPress 3.1
- WordPress 3.1.1
- WordPress 3.1.2
- WordPress 3.1.3
- WordPress 3.1.4
- WordPress 3.2
- WordPress 3.2.1
- WordPress 3.3
- WordPress 3.3.1
- WordPress 3.3.2
- WordPress 3.3.3
- WordPress 3.4
- WordPress 3.4.1
- WordPress 3.4.2
- WordPress 3.5
- WordPress 3.5.1
- WordPress 3.5.2
- WordPress 3.6
- WordPress 3.6.1
- WordPress 3.7
- WordPress 3.7.1
- WordPress 3.7.2
- WordPress 3.7.3
- WordPress 3.7.4
- WordPress 3.7.5
- WordPress 3.7.6
- WordPress 3.7.7
- WordPress 3.7.8
- WordPress 3.7.9
- WordPress 3.7.10
- WordPress 3.7.11
- WordPress 3.7.12
- WordPress 3.7.13
- WordPress 3.7.14
- WordPress 3.7.15
- WordPress 3.7.16
- WordPress 3.8
- WordPress 3.8.1
- WordPress 3.8.2
- WordPress 3.8.3
- WordPress 3.8.4
- WordPress 3.8.5
- WordPress 3.8.6
- WordPress 3.8.7
- WordPress 3.8.8
- WordPress 3.8.9
- WordPress 3.8.10
- WordPress 3.8.11
- WordPress 3.8.12
- WordPress 3.8.13
- WordPress 3.8.14
- WordPress 3.8.15
- WordPress 3.8.16
- WordPress 3.9
- WordPress 3.9.1
- WordPress 3.9.2
- WordPress 3.9.3
- WordPress 3.9.4
- WordPress 3.9.5
- WordPress 3.9.6
- WordPress 3.9.7
- WordPress 3.9.8
- WordPress 3.9.9
- WordPress 3.9.10
- WordPress 3.9.11
- WordPress 3.9.12
- WordPress 3.9.13
- WordPress 3.9.14
- WordPress 4.0.1
- WordPress 4.0.2
- WordPress 4.0.3
- WordPress 4.0.4
- WordPress 4.0.5
- WordPress 4.0.6
- WordPress 4.0.7
- WordPress 4.0.8
- WordPress 4.0.9
- WordPress 4.0.10
- WordPress 4.0.11
- WordPress 4.0.12
- WordPress 4.0.13
- WordPress 4.1
- WordPress 4.1.1
- WordPress 4.1.2
- WordPress 4.1.3
- WordPress 4.1.4
- WordPress 4.1.5
- WordPress 4.1.6
- WordPress 4.1.7
- WordPress 4.1.8
- WordPress 4.1.9
- WordPress 4.1.10
- WordPress 4.1.11
- WordPress 4.1.12
- WordPress 4.1.13
- WordPress 4.2
- WordPress 4.2.1
- WordPress 4.2.2
- WordPress 4.2.3
- WordPress 4.2.4
- WordPress 4.2.5
- WordPress 4.2.6
- WordPress 4.2.7
- WordPress 4.2.8
- WordPress 4.2.9
- WordPress 4.2.10
- WordPress 4.3
- WordPress 4.3.1
- WordPress 4.3.2
- WordPress 4.3.3
- WordPress 4.3.4
- WordPress 4.3.5
- WordPress 4.3.6
- WordPress 4.4
- WordPress 4.4.1
- WordPress 4.4.2
- WordPress 4.4.3
- WordPress 4.4.4
- WordPress 4.4.5
- WordPress 4.5
- WordPress 4.5.1
- WordPress 4.5.2
- WordPress 4.5.3
- WordPress 4.5.4
- WordPress 4.6
- WordPress 4.6.1
- WordPress 4.7