CVE-2021-31545

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Source
https://cve.org/CVERecord?id=CVE-2021-31545
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-31545.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-31545
Aliases
Published
2021-04-22T03:15:07.937Z
Modified
2025-11-20T11:44:47.778702Z
Severity
  • 5.3 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/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. The pagerecentcontributors leaked the existence of certain deleted MediaWiki usernames, related to rev_deleted.

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
Last affected
e5823c068a2e0d8af72538fe5cd152ddb43c58e9

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-2021-31545.json"