cvedb.io
CVE-2026-3568
MEDIUM · CVSS 4.3
EPSS exploitation probability: 0%
Published 2026-04-09T04:16:59.177 · Last modified 2026-06-17T10:43:48.120

Summary

The MStore API plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.18.3. This is due to the update_user_profile() function in controllers/flutter-user.php processing the 'meta_data' JSON parameter without any allowlist, blocklist, or validation of meta keys. The function reads raw JSON from php://input (line 1012), decodes it (line 1013), authenticates the user via cookie validation (line 1015), and then directly iterates over the user-supplied meta_data array passing arbitrary keys and values to update_user_meta() (line 1080) with no sanitization or restrictions. This makes it possible for authenticated attackers, with Subscriber-level access and above, to modify arbitrary user meta fields on their own accounts, including sensiti

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References

This product uses data from the NVD API but is not endorsed or certified by the NVD. Informational only; not professional security advice.