An issue was discovered in MediaWiki before 1.35.8, 1.36.x and 1.37.x before 1.37.5, and 1.38.x before 1.38.3. When changes made by an IP address are reassigned to a user (using reassignEdits.php), the changes will still be attributed to the IP address on Special:Contributions when doing a range lookup.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mediawiki | Mediawiki | * | 1.35.8 (excluding) |
| Mediawiki | Mediawiki | 1.36.0 (including) | 1.37.5 (excluding) |
| Mediawiki | Mediawiki | 1.38.0 (including) | 1.38.3 (excluding) |