CVE-2019-18611

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.

CVSS v3 6.5 MEDIUM
CVSS v2.0 4.0 MEDIUM

6.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact NONE

Availability Impact NONE

Scope UNCHANGED

4.0^/10

CVSS v2.0 : MEDIUM

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

Exploitability : 8.0 / Impact : 2.9

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact NONE

Availability Impact NONE

References

Link	Resource
https://gerrit.wikimedia.org/r/q/Ie0aa0df2b3f03d8b910733f1b5e600a0dc978765	Patch Vendor Advisory
https://phabricator.wikimedia.org/T234862	Patch Vendor Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:mediawiki:checkuser:*:*:*:*:*:mediawiki:*:*

History

No history.

Information

Published : 2019-10-29 19:15

Updated : 2023-12-10 13:13

NVD link : CVE-2019-18611

Mitre link : CVE-2019-18611

CVE.ORG link : CVE-2019-18611

JSON object : View

Products Affected

mediawiki

checkuser

CWE

CWE-200

Exposure of Sensitive Information to an Unauthorized Actor

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