CVE-2019-16528
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.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.32%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 1.32% probability · 69th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-532
- Affected
- mediawiki/abusefilter
- Source
- cve@mitre.org
References
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538051/Patch
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538053/Patch
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538054/Patch
- https://phabricator.wikimedia.org/T224203Permissions Required
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538051/Patch
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538053/Patch
- https://gerrit.wikimedia.org/r/c/mediawiki/extensions/AbuseFilter/+/538054/Patch
- https://phabricator.wikimedia.org/T224203Permissions Required
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.