Medium severity · published Nov 15, 2019
CVE-2019-18987
An issue was discovered in the AbuseFilter extension through 1.34 for MediaWiki
5.3
CVSS
1.1%
EPSS
No
On KEV
Description
An issue was discovered in the AbuseFilter extension through 1.34 for MediaWiki. Once a specific abuse filter has (accidentally or otherwise) been made public, its previous versions can be exposed, thus potentially disclosing private or sensitive information within the filter's definition.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
Low
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.1% · higher than 66% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
AB
Abusefilter · Mediawiki
through 1.34 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2019-18987
CVE.org
https://www.cve.org/CVERecord?id=CVE-2019-18987
Patch
https://gerrit.wikimedia.org/r/q/Ic12790bd33982473f77551bde9599ed083a3e1f1
Issue Tracking
https://phabricator.wikimedia.org/T237887
Product
https://www.mediawiki.org/wiki/Extension:AbuseFilter
More from Abusefilter
7.5
CVE-2019-16528
An issue was discovered in the AbuseFilter extension for MediaWiki
5.3
CVE-2019-18612
An issue was discovered in the AbuseFilter extension through 1.34 for MediaWiki