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AWS S3 for WordPress Plugin – Upcasted vulnerability

Subscriber Broken Access Control in AWS S3 for WordPress Plugin – Upcasted <= 3.1.0 versions.

Published 10 Oct 2026Updated 10 Oct 20261 sources
CVSS 6.3
Overview Sources History

What happened

Subscriber Broken Access Control in AWS S3 for WordPress Plugin – Upcasted <= 3.1.0 versions.

Affected versions

AWS S3 for WordPress Plugin – Upcasted: n/a through 3.1.0 (custom) Fixed: See vendor advisory.

Why it matters

Review the vendor advisory and exposure of the affected product to determine operational impact.

Detection & mitigation

  • Apply vendor-provided updates or mitigations.
  • Review affected product exposure and access logs.

Public PoC references

No public PoC reference has passed the current publication threshold.

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