CVE-2021-30156

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Source
https://cve.org/CVERecord?id=CVE-2021-30156
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-30156.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-30156
Aliases
Downstream
Published
2021-04-09T07:15:16.217Z
Modified
2026-03-14T14:57:58.459146Z
Severity
  • 4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N CVSS Calculator
Summary
[none]
Details

An issue was discovered in MediaWiki before 1.31.12 and 1.32.x through 1.35.x before 1.35.2. Special:Contributions can leak that a "hidden" user exists.

References

Affected packages

Git / github.com/wikimedia/mediawiki

Affected ranges

Type
GIT
Repo
https://github.com/wikimedia/mediawiki
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
ef13e11da4bcab62a8cc6f5459cd094e6881f326
Introduced
0fbb878ef366477535a709b0c2564bdcf4b176d1
Fixed
e5823c068a2e0d8af72538fe5cd152ddb43c58e9
Database specific 
{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.31.12"
        },
        {
            "introduced": "1.32.0"
        },
        {
            "fixed": "1.35.2"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-30156.json"
unresolved_ranges 
[
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "33"
            }
        ]
    },
    {
        "events": [
            {
                "introduced": "0"
            },
            {
                "last_affected": "34"
            }
        ]
    }
]