Vulnerability CVE-2019-16528
Published: 2020-03-20

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.

Type:

CWE-200

 (Information Exposure)

CVSS2 => (AV:N/AC:L/Au:N/C:P/I:N/A:N)

CVSS Base Score
Impact Subscore
Exploitability Subscore
5/10
2.9/10
10/10
Exploit range
Attack complexity
Authentication
Remote
Low
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
None
None
Affected software
Mediawiki -> Abusefilter 

 References:
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
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