CVE-2019-16528 Information

Description

An issue was discovered in the AbuseFilter extension for MediaWiki. includes/special/SpecialAbuseLog.php allows attackers to obtain sensitive information such as deleted/suppressed usernames and summaries from AbuseLog revision data. This affects REL1_32 and REL1_33.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Reference

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538051/ https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538053/ https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538054/ https://phabricator.wikimedia.org/T224203

Attack Complexity

LOW

Privileges Required

NONE

User Interaction Required

NONE

Scope

NONE

Confidentiality Impact

UNCHANGED

Integrity Impact

HIGH

Availability Impact

NONE

Base Score

NONE

Base Severity

7.5