CVE-2023-37303

Published Jun 30, 2023

Last updated a year ago

CVSS critical 9.8

Overview

Description: 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.
Source: cve@mitre.org
NVD status: Analyzed

Risk scores

CVSS 3.1

Type: Primary
Base score: 9.8
Impact score: 5.9
Exploitability score: 3.9
Vector string: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Severity: CRITICAL

Weaknesses

nvd@nist.gov: NVD-CWE-noinfo

Hype score: Not currently trending

Configurations

[
  {
    "nodes": [
      {
        "negate": false,
        "cpeMatch": [
          {
            "criteria": "cpe:2.3:a:mediawiki:mediawiki:*:*:*:*:*:*:*:*",
            "vulnerable": true,
            "matchCriteriaId": "DEA20A42-6E1A-4DA2-8869-A49894256285",
            "versionEndIncluding": "1.39.3"
          }
        ],
        "operator": "OR"
      }
    ]
  }
]

References