CVE-2026-92809

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.

References

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