CVE-2019-16528

high

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.

References

https://phabricator.wikimedia.org/T224203

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538054/

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538053/

https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538051/

Details

Source: Mitre, NVD

Published: 2020-03-20

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N

Severity: Medium

CVSS v3

Base Score: 7.5

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

Severity: High

EPSS

EPSS: 0.00371