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CVE-2026-78265: Wordpress Unvalidated Wp Hash Serialized Object Injectioncve-2026-78265-wordpress-unvalidated-wp-hash-serialized-object-injection

Base64-decoded serialized data is re-hashed using `wp_hash()` and assigned to a hash field without validating that the payload does not contain serialized PHP objects. This can allow attackers to bypass WordPress HMAC/hash integrity checks and achieve PHP Object Injection.

PHPCVE-2026-78265CWE-502
by Provallyupdated 2026-09-02Apache-2.0
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