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PatchSiren cyber security CVE debrief

CVE-2026-39480 Inisev CVE debrief

CVE-2026-39480 is a HIGH severity vulnerability (CVSS Score: 7.5) in the Backup Migration plugin for WordPress, affecting versions up to and including 2.1.1. This vulnerability allows unauthenticated attackers to access sensitive data. The vulnerability was published on [cve-org](https://www.cve.org/CVERecord?id=CVE-2026-39480) and additional details can be found on [nvd](https://nvd.nist.gov/vuln/detail/CVE-2026-39480).

Vendor
Inisev
Product
Backup Migration
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Administrators and users of the Backup Migration plugin for WordPress should be aware of this vulnerability, especially if they are using version 2.1.1 or earlier.

Technical summary

CVE-2026-39480 is classified under CWE-201. The vulnerability has a CVSS vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N, indicating a high severity level.

Defensive priority

HIGH

Recommended defensive actions

  • Update the Backup Migration plugin to a version that fixes this vulnerability.
  • Review and restrict access to sensitive data.
  • Monitor for any suspicious activity related to the Backup Migration plugin.

Evidence notes

Evidence suggests that this vulnerability was discovered and reported by Patchstack (see [ref-4](https://patchstack.com/database/wordpress/plugin/backup-backup/vulnerability/wordpress-backup-migration-plugin-2-1-1-sensitive-data-exposure-vulnerability?_s_id=cve)).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-39480 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-39480

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

  • CVE-2026-39480 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-39480

    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.