The Echo extension for MediWiki does not properly implement the hideuser functionality, which allows remote authenticated users to see hidden usernames in "non-revision based" notifications, as demonstrated by viewing a hidden username in a Thanks notification.
CVSS Details
- CVSS 3.1 Base Score: 4.3
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Freebsd | — | Upgrade mediawiki124Upgrade mediawiki125Upgrade mediawiki123 | Dec 10, 2025 | Oct 23, 2015 |
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