# CVE-2020-37241: bloofoxCMS 0.5.2.1 Cross-Site Request Forgery via user add

Status: published. Published: 2026-05-16. Updated: 2026-11-08.

bloofoxCMS 0.5.2.1 contains a cross-site request forgery vulnerability that allows attackers to perform administrative actions by tricking logged-in users into visiting malicious pages. Attackers can craft hidden forms targeting the admin user creation endpoint to add new administrative accounts with arbitrary credentials without requiring explicit user consent.

## Remediation

No remediation reported in collected sources

## Affected products and versions

- Bloofox / bloofoxCMS: ≥ 0.5.1.0; ≤ 0.5.2.1 (affected, custom). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 4.0: 6.9 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:L/SI:L/SA:L; source: CNA: VulnCheck

- CVSS 3.1: 5.3 (medium); CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N; source: CNA: VulnCheck

- CISA KEV: No listing in collected sources

- EPSS: 0.15% as of 2026-11-08; percentile 3.85%

- SSVC: exploitation poc; automatable yes; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-352

## Exploit evidence

- exploit: https://www.exploit-db.com/exploits/49507 (CNA: VulnCheck)

## References

- https://www.exploit-db.com/exploits/49507 (CNA: VulnCheck; exploit)

- https://www.bloofox.com/ (CNA: VulnCheck; product)

- https://github.com/alexlang24/bloofoxCMS/releases/tag/0.5.2.1 (CNA: VulnCheck; product, release-notes)

- https://www.vulncheck.com/advisories/bloofoxcms-cross-site-request-forgery-via-user-add (CNA: VulnCheck; third-party-advisory)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2020-37241; retrieved 2026-11-08; source updated 2026-11-08

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2020-37241; retrieved 2026-11-08; source updated Not reported

Revision: fc05fcab003759303ad1216505f5d880c4a25f280873ae6df1f5f9baa30e1a19

Canonical: https://y2.dev/cve/CVE-2020-37241

## 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.