Information disclosure in MediaWiki Abusefilter
CVE-2019-18987
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.
Vulnerability class: Information Disclosure
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N.
EPSS exploit prediction
EPSS: 0.011 (64.7th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 64.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: 0.000
Affected products
Weakness classification (CWE)
References
- phabricator.wikimedia.org/T237887 (Patch, Third Party Advisory, Issue Tracking)
- gerrit.wikimedia.org/r/q/Ic12790bd33982473f77551bde9599ed083a3e1f1 (Patch, Third Party Advisory)
- www.mediawiki.org/wiki/Extension:AbuseFilter (Product, Vendor Advisory)
Frequently asked questions
- What is CVE-2019-18987?
- CVE-2019-18987 is a medium-severity vulnerability in MediaWiki Abusefilter, classified under Information Disclosure. CVSS score: 5.3/10. Published 2019-11-15.
- How severe is CVE-2019-18987?
- Medium severity. CVSS v3 base score is 5.3 out of 10.