Wikimedia · Mediawiki · CVE-2018-0504
**Name of the Vulnerable Software and Affected Versions**
Mediawiki versions 1.31 before 1.31.1
Mediawiki version 1.30.1
Mediawiki version 1.29.3
Mediawiki version 1.27.5
**Description**
The issue is related to an information disclosure flaw in the Special:Redirect/logid.
**Recommendations**
For Mediawiki version 1.31 before 1.31.1, update to version 1.31.1 or later.
For Mediawiki version 1.30.1, consider upgrading to a newer version.
For Mediawiki version 1.29.3, consider upgrading to a newer version.
For Mediawiki version 1.27.5, consider upgrading to a newer version.