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CVE-2025-24856

CVE-2025-24856

This page contains facts from public vulnerability sources. Check the original advisory before updating.

An issue was discovered in the oidc (aka OpenID Connect Authentication) extension before 4.0.0 for TYPO3. The account linking logic allows a pre-hijacking attack, leading to Account Takeover. The attack can only be exploited if the following requirements are met: (1) an attacker can anticipate the e-mail address of the user, (2) an attacker can register a public frontend user account using that e-mail address before the user's first OIDC login, and (3) the IDP returns an email field containing the e-mail address of the user,

CVSS 4.2 · Medium · EPSS 0.2% · Fix available

Published
Updated

Stack: php

Affected products and versions

  • oidc

    Versions
    • ≥ 0, < 4.0.0: Affected (semver)

    Update to 4.0.0

  • causal/oidc Packagist

    Versions
    • v3.0.0
    Affected ranges
    • ECOSYSTEM: ≥ 3.0.0, < 4.0.0

    Update to 4.0.0

Original sources

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