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CVE-2025-24856

Quick assessment

Affected
TYPO3 oidc
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

TYPO3是瑞士TYPO3协会的一套免费开源的内容管理系统(框架)(CMS/CMF)。 TYPO3 4.0.0之前版本存在安全漏洞，该漏洞源于帐户链接逻辑允许预劫持攻击，从而导致帐户接管。

CVSS 4.2 · Medium EPSS 0.18% · P7
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I. Basic Information for CVE-2025-24856

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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,
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
使用不可信的源
Source: CVE Program / CVE List V5
Vulnerability Title
TYPO3 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
TYPO3是瑞士TYPO3协会的一套免费开源的内容管理系统(框架)(CMS/CMF)。 TYPO3 4.0.0之前版本存在安全漏洞，该漏洞源于帐户链接逻辑允许预劫持攻击，从而导致帐户接管。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
TYPO3 oidc 0 ~ 4.0.0 -

II. Public POCs for CVE-2025-24856

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III. Intelligence Information for CVE-2025-24856

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Patches & Fixes for CVE-2025-24856 (1)

Vendor Advisories for CVE-2025-24856 (1)

IV. Related Vulnerabilities

Same product: oidc
Same vendor: TYPO3
Same weakness: CWE-348

V. Comments for CVE-2025-24856

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