rss/file.php in Moodle through 2.1.10, 2.2.x before 2.2.11, 2.3.x before 2.3.8, 2.4.x before 2.4.5, and 2.5.x before 2.5.1 does not properly implement the use of RSS tokens for impersonation, which allows remote authenticated users to obtain sensitive block information by reading an RSS feed.
When an actor claims to have a given identity, the product does not prove or insufficiently proves that the claim is correct.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Moodle | Moodle | 2.1.0 (including) | 2.1.0 (including) |
| Moodle | Moodle | 2.1.1 (including) | 2.1.1 (including) |
| Moodle | Moodle | 2.1.2 (including) | 2.1.2 (including) |
| Moodle | Moodle | 2.1.3 (including) | 2.1.3 (including) |
| Moodle | Moodle | 2.1.4 (including) | 2.1.4 (including) |
| Moodle | Moodle | 2.1.5 (including) | 2.1.5 (including) |
| Moodle | Moodle | 2.1.6 (including) | 2.1.6 (including) |
| Moodle | Moodle | 2.1.7 (including) | 2.1.7 (including) |
| Moodle | Moodle | 2.1.8 (including) | 2.1.8 (including) |
| Moodle | Moodle | 2.1.9 (including) | 2.1.9 (including) |
| Moodle | Moodle | 2.1.10 (including) | 2.1.10 (including) |