CVE-2021-31547

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Source

https://cve.org/CVERecord?id=CVE-2021-31547

Import Source

https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-31547.json

JSON Data

https://api.osv.dev/v1/vulns/CVE-2021-31547

Aliases

BIT-mediawiki-2021-31547

Published

2021-04-22T03:15:08Z

Modified

2026-03-14T01:44:09.768718Z

Severity

4.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N CVSS Calculator

Summary

[none]

Details

An issue was discovered in the AbuseFilter extension for MediaWiki through 1.35.2. Its AbuseFilterCheckMatch API reveals suppressed edits and usernames to unprivileged users through the iteration of crafted AbuseFilter rules.

References

Affected packages

Git / github.com/wikimedia/mediawiki

Affected ranges

Type

GIT

Repo

https://github.com/wikimedia/mediawiki

Events

Introduced

Last affected

e5823c068a2e0d8af72538fe5cd152ddb43c58e9

Database specific

{
    "versions": [
        {
            "introduced": "0"
        },
        {
            "last_affected": "1.35.2"
        }
    ]
}

Affected versions

1.*

1.1.0

1.3.0beta1

1.35.0

1.35.0-rc.0

1.35.0-rc.1

1.35.0-rc.2

1.35.0-rc.3

1.35.1

1.35.2

1.5.0alpha1

1.5.0alpha2

1.5.0beta1

1.5.0beta2

1.5.0beta3

1.5.0beta4

1.6.0

Database specific

source

"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-31547.json"