# CVE-2026-66669: WordPress Superb Addons: Blocks, Patterns &amp; theme Designer plugin <= 4.2.4 - Cross Site Request Forgery (CSRF) vulnerability

Status: published. Published: 2026-11-07. Updated: 2026-11-07.

Cross-Site Request Forgery (CSRF) vulnerability in Suplugins Superb Addons: Blocks, Patterns &amp; Theme Designer superb-blocks allows Cross Site Request Forgery.This issue affects Superb Addons: Blocks, Patterns &amp; Theme Designer: from n/a through 4.2.4.

## Remediation

- fix: Update the WordPress Superb Addons: Blocks, Patterns &amp; Theme Designer plugin to the latest available version (at least 4.2.5). (source: CNA: Patchstack)

## Affected products and versions

- Suplugins / Superb Addons: Blocks, Patterns &amp; Theme Designer (superb-blocks): ≥ 0; ≤ 4.2.4 (affected, custom); unaffected at 4.2.5. Source: CNA: Patchstack

## Severity and prioritization

- CVSS 3.1: 8.8 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H; source: CNA: Patchstack

- CVSS 3.1: 8.8 (high); CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H; source: NVD: audit@patchstack.com

- CISA KEV: No listing in collected sources

- EPSS: Not available

- SSVC: Not available

- Weaknesses: CWE-352

## Exploit evidence

No exploit evidence in collected sources. This is not proof of no exploitation.

## References

- https://patchstack.com/database/wordpress/plugin/superb-blocks/vulnerability/wordpress-superb-addons-blocks-patterns-amp-theme-designer-plugin-4-2-4-cross-site-request-forgery-csrf-vulnerability?_s_id=cve (CNA: Patchstack; vdb-entry)

- https://patchstack.com/database/wordpress/plugin/superb-blocks/vulnerability/wordpress-superb-addons-blocks-patterns-amp-theme-designer-plugin-4-2-4-cross-site-request-forgery-csrf-vulnerability?_s_id=cve (audit@patchstack.com)

## Provenance

- CNA: Patchstack: https://www.cve.org/CVERecord?id=CVE-2026-66669; retrieved 2026-11-07; source updated 2026-11-07

- NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-66669; retrieved 2026-11-07; source updated 2026-11-07

Revision: 945228c95761a468039771e5095e3886435b7c3efdb400633b380aaee6bb2ae4

Canonical: https://y2.dev/cve/CVE-2026-66669

## Agent and API access

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- 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.

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