CVE-2019-18611

Description

An issue was discovered in the CheckUser extension through 1.34 for MediaWiki. Certain sensitive information within oversighted edit summaries made available via the MediaWiki API was potentially visible to users with various levels of access to this extension. Said users should not have been able to view these oversighted edit summaries via the MediaWiki API.

Category

6.5
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.35%
Vendor Advisory wikimedia.org Vendor Advisory wikimedia.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://phabricator.wikimedia.org/T234862 patch vendor advisory
https://gerrit.wikimedia.org/r/q/Ie0aa0df2b3f03d8b910733f1b5e600a0dc978765 patch vendor advisory

Frequently Asked Questions

What is the severity of CVE-2019-18611?
CVE-2019-18611 has been scored as a medium severity vulnerability.
How to fix CVE-2019-18611?
To fix CVE-2019-18611, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2019-18611 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2019-18611 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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