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PatchSiren cyber security CVE debrief

CVE-2026-62035 upcasted CVE debrief

A vulnerability in the Upcasted <= 3.1.0 WordPress plugin allows for broken access control in AWS S3. This issue has a CVSS score of 6.3 and is classified as MEDIUM severity.

Vendor
upcasted
Product
AWS S3 for WordPress Plugin – Upcasted
CVSS
MEDIUM 6.3
CISA KEV
Not listed in stored evidence
Original CVE published
2026-10-10
Original CVE updated
2026-10-10
Advisory published
2026-10-10
Advisory updated
2026-10-10

Who should care

Defenders responsible for WordPress plugins and AWS S3 configurations should assess exposure and verify the version of the Upcasted plugin in use.

Why it matters

The CVE-2026-62035 vulnerability in the Upcasted WordPress plugin allows for broken access control in AWS S3, requiring defenders to verify the plugin version and assess exposure.

  • Verification of Upcasted plugin version and AWS S3 access controls is necessary to prevent potential unauthorized access.
  • Defenders should review access controls for AWS S3 to prevent potential data breaches.

Technical summary

The Upcasted <= 3.1.0 WordPress plugin is vulnerable to broken access control in AWS S3, with a CVSS score of 6.3 and MEDIUM severity.

Defensive priority

Defenders should prioritize verifying the version of the Upcasted plugin in use and assessing exposure to AWS S3.

Recommended defensive actions

  • Verify the version of the Upcasted plugin in use
  • Assess exposure to AWS S3
  • Review access controls for AWS S3

Evidence notes

The CVE record and NVD entry provide limited information about the vulnerability, with the primary source being Patchstack.

Sources and references

Verified primary and authoritative sources

  • CVE-2026-62035 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-62035

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-62035 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-62035

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.