CVE-2022-28206Public exploitNetwork attack vector

Unauthorized file creation via omitted edit check

Published Mar 30, 2022 · Updated Aug 3, 2024

Missing authorization in MediaWiki FileImporter 1.37.1 and earlier allows remote authenticated users to create cascade-protected file pages. ImportPlanValidator checks create and upload permissions but omits the edit action required for PermissionManager to return cascading-protection errors. A nonadministrator FileImporter user can import to a nonexistent file title transcluded by a cascade-protected page, bypassing the edit restriction.

CVSS severity9.8
Critical
EPSS probability1.46%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Missing authorization in MediaWiki FileImporter 1.37.1 and earlier allows remote authenticated users to create cascade-protected file pages. ImportPlanValidator checks create and upload permissions but omits the edit action required for PermissionManager to return cascading-protection errors. A nonadministrator FileImporter user can import to a nonexistent file title transcluded by a cascade-protected page, bypassing the edit restriction.

The record

CVE
CVE-2022-28206
Published
Mar 30, 2022
Updated
Aug 3, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
T1190
Attack vector
network
Privileges
authenticated

Timeline

How it unfolded

  1. Mar 30, 2022CVE publishedPublication date reported by the CVE source.
  2. Aug 3, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

9.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
7.5NIST NVDAV:N/AC:L/Au:N/C:P/I:P/A:P

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

T1190Exploit Public-Facing Application

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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