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cve[email protected]CVE-2023-37303
HistoryJun 30, 2023 - 5:15 p.m.

CVE-2023-37303

2023-06-3017:15:09
web.nvd.nist.gov
15
cve-2023-37303
checkuser extension
mediawiki
user block failure
browser hang

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.3%

An issue was discovered in the CheckUser extension for MediaWiki through 1.39.3. In certain situations, an attempt to block a user fails after a temporary browser hang and a DBQueryDisconnectedError error message.

Affected configurations

NVD
Node
mediawikimediawikiRange1.39.3
CPENameOperatorVersion
mediawiki:mediawikimediawikile1.39.3

9.8 High

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

9.3 High

AI Score

Confidence

High

0.001 Low

EPSS

Percentile

42.3%

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