WordPress Simple User Avatar plugin <= 4.9 - Insecure Direct Object References (IDOR) vulnerability

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Summary

CVECVE-2026-57676
StatePUBLISHED
AssignerPatchstack
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-29 09:16:31 UTC
Updated2026-06-29 18:39:20 UTC
DescriptionAuthorization Bypass Through User-Controlled Key vulnerability in Matteo Manna Simple User Avatar allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Simple User Avatar: from n/a through 4.9.

Risk And Classification

Primary CVSS: v3.1 4.3 MEDIUM from [email protected]

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

EPSS: 0.001830000 probability, percentile 0.081000000 (date 2026-06-30)

Problem Types: CWE-639 | CWE-639 CWE-639 Authorization Bypass Through User-Controlled Key

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
3.1CNACVSS4.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

CVSS v3.1 Breakdown

Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
None

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Matteo Manna Simple User Avatar affected n/a 4.9 custom Not specified

References

ReferenceSourceLinkTags
patchstack.com/database/wordpress/plugin/simple-user-avatar/vulnerability/wo... [email protected] patchstack.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Ananda Dhakal | Patchstack (en)

Additional Advisory Data

Solutions

CNA: Update the WordPress Simple User Avatar Plugin to the latest available version (at least 5.0).

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