An issue was discovered in the Wikibase extension for MediaWiki before 1.35.12, 1.36.x through 1.39.x before 1.39.5, and 1.40.x before 1.40.1. During item merging, ItemMergeInteractor does not have an edit filter running (e.g., AbuseFilter).
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Mediawiki | Mediawiki | * | 1.35.12 (excluding) |
| Mediawiki | Mediawiki | 1.36.0 (including) | 1.39.5 (excluding) |
| Mediawiki | Mediawiki | 1.40.0 (including) | 1.40.0 (including) |