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CVE-2026-62035: WordPress AWS S3 for WordPress Plugin – Upcasted plugin <= 3.1.0 - Broken Access Control vulnerability

• Severity: medium (CVSS 6.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-10 · updated 2026-10-13
• Weakness: CWE-862

Description

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

Affected products

• upcasted AWS S3 for WordPress Plugin – Upcasted: through 3.1.0

References

• https://patchstack.com/database/wordpress/plugin/upcasted-s3-offload/vulnerability/wordpress-aws-s3-for-wordpress-plugin-upcasted-plugin-3-1-0-broken-access-control-vulnerability?_s_id=cve

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