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CVE-2026-56843

CVE-kwetsbaarheidsdetails - eXtreme Datacenter Security Operations

Gepubliceerd 2026-07-08 00:15:43

Laatst bijgewerkt 2026-07-08 13:04:17

Toegewezen door hackerone

CVSS-score 9.9

Status PUBLISHED

Beschrijving

Incorrect authorization in the XML-RPC API of WebPros Plesk before 18.0.78.4 allows a low-privileged authenticated customer to look up domains they do not own, because ownership is enforced only for certain lookup filters and schema validation is bypassed for legacy protocol versions. This results in cross-tenant disclosure of other tenants' FTP credentials stored in cleartext, which can be leveraged to execute code as another tenant's system user.

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