# CVE-2026-92809: PrestaShop psgdpr through 1.4.3 GDPR Log Forgery

Status: published. Published: 2026-09-16. Updated: 2026-11-03.

PrestaShop psgdpr versions through 1.4.3 fail to validate that GDPR consent log entries are attributed to the authenticated customer. Authenticated attackers can submit arbitrary customer identifiers to create forged consent records for other customers, corrupting audit logs.

## Remediation

- fix: The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches. (source: CNA: VulnCheck) — https://github.com/PrestaShop/psgdpr/releases/tag/v1.4.4

## Affected products and versions

- PrestaShop / psgdpr: ≥ 0; ≤ 1.4.3 (affected, semver). Source: CNA: VulnCheck

## Severity and prioritization

- CVSS 4.0: 5.3 (medium); CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N; source: CNA: VulnCheck

- CVSS 3.1: 4.3 (medium); CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N; source: CNA: VulnCheck

- CISA KEV: No listing in collected sources

- EPSS: 0.34% as of 2026-11-03; percentile 27.07%

- SSVC: exploitation poc; automatable no; technical impact partial; source ADP: CISA-ADP

- Weaknesses: CWE-639

## Exploit evidence

- exploit: https://github.com/geo-chen/oss/blob/main/prestashop.md#finding-1-idor---authenticated-customers-can-forge-gdpr-consent-records-for-arbitrary-customers (CNA: VulnCheck)

## References

- https://github.com/geo-chen/oss/blob/main/prestashop.md#finding-1-idor---authenticated-customers-can-forge-gdpr-consent-records-for-arbitrary-customers (CNA: VulnCheck; technical-description, exploit)

- https://github.com/PrestaShop/psgdpr/blob/v1.4.3/controllers/front/FrontAjaxGdpr.php#L28-L54 (CNA: VulnCheck; technical-description)

- https://github.com/PrestaShop/psgdpr/security/advisories/GHSA-wwqh-cf9m-347f (CNA: VulnCheck; vendor-advisory)

- https://github.com/PrestaShop/psgdpr/releases/tag/v1.4.4 (CNA: VulnCheck; patch, release-notes)

- https://github.com/PrestaShop/psgdpr (CNA: VulnCheck; product)

- https://www.vulncheck.com/advisories/prestashop-psgdpr-through-1.4.3-gdpr-log-forgery (CNA: VulnCheck; third-party-advisory)

## Provenance

- CNA: VulnCheck: https://www.cve.org/CVERecord?id=CVE-2026-92809; retrieved 2026-11-03; source updated 2026-11-03

- FIRST EPSS: https://api.first.org/data/v1/epss?cve=CVE-2026-92809; retrieved 2026-11-03; source updated Not reported

Revision: 9c63a22cfa9c1ce31ebbfb9b7e334371175766b7bffc0eca1ac2050bca7f859a

Canonical: https://y2.dev/cve/CVE-2026-92809

## 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.

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