# CVE-2026-126639: WP Ultimate CSV Importer (Free & Pro) - Unauthenticated Post Data Disclosure via Predictable Single Export Path

Status: published. Published: 2026-11-14. Updated: 2026-11-14.

The WP Ultimate CSV Importer  WordPress plugin before 9.2, WP Ultimate CSV Importer Pro WordPress plugin before 9.0.7 do not protect the files created by their single post export feature, writing them to a publicly accessible location under a predictable name, allowing unauthenticated attackers to download the content and custom fields of any exported post, including non-public content.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Unknown / WP Ultimate CSV Importer: ≥ 0; < 9.2 (affected, semver). Source: CNA: WPScan
- Unknown / WP Ultimate CSV Importer Pro: ≥ 0; < 9.0.7 (affected, semver). Source: CNA: WPScan

## Severity and prioritization

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-200

## Exploit evidence

- exploit: https://wpscan.com/vulnerability/d80fe4f1-ee4f-40db-a16b-5a3dc44e8cf7/ (CNA: WPScan)

## References

- https://wpscan.com/vulnerability/d80fe4f1-ee4f-40db-a16b-5a3dc44e8cf7/ (CNA: WPScan; exploit, vdb-entry, technical-description)

## Provenance

- CNA: WPScan: https://www.cve.org/CVERecord?id=CVE-2026-126639; retrieved 2026-11-14; source updated 2026-11-14

Revision: 9f613c1fe68e30e4ccc64f90b664ef243f43c397209c55201a794c85c3a29533

Canonical: https://y2.dev/cve/CVE-2026-126639

## Agent and API access

Public CVE pages, Markdown, and JSON are free to read without an account or API key.

- Public catalog: https://y2.dev/cve/index.json. Follow nextCursor with the same search, filters, sort, and limit (1–100). A null cursor marks the end.

- WebMCP: search_cve_disclosures, get_cve_disclosure, get_cve_page_markdown, get_y2_cve_access. Available in compatible browsers.

- Cyber API: https://api.y2.dev/api/v2/cyber/cves and https://api.y2.dev/api/v2/cyber/cves/{cveId}.

- Y2 Pro or Elite: create a workspace API key with the intel:cyber scope and send Authorization: Bearer <Y2_API_KEY>. Setup: https://y2.dev/docs/api/create-key.

- x402: Pay per request without an account or API key. Omit Authorization, read the HTTP 402 PAYMENT-REQUIRED challenge, validate its current requirements, and retry with PAYMENT-SIGNATURE through an authorized payment client. These browser tools never make payments. Guide: https://y2.dev/docs/api/x402.

- OpenAPI: https://y2.dev/api/openapi.yaml. Agent access metadata: https://y2.dev/cve/agent.json.

Collected public records only. Check source status for coverage and freshness.