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CVE-2025-71279— XenForo Passkey Security Bypass

Quick assessment

Affected
XenForo XenForo
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.

Xenforo是Xenforo公司的一个论坛软件。 XenForo 2.3.7之前版本存在授权问题漏洞，该漏洞源于影响已添加到用户账户的Passkeys，可能导致攻击者破坏基于Passkey的身份验证安全性。

CVSS 9.8 · Critical EPSS 0.45% · P37

Possible ATT&CK Techniques 1 AI

T1110.004 · Credential Stuffing
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I. Basic Information for CVE-2025-71279

Vulnerability Information
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Vulnerability Title
XenForo Passkey Security Bypass
Source: CVE Program / CVE List V5
Vulnerability Description
XenForo before 2.3.7 contains a security issue affecting Passkeys that have been added to user accounts. An attacker may be able to compromise the security of Passkey-based authentication.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
认证机制不恰当
Source: CVE Program / CVE List V5
Vulnerability Title
Xenforo 授权问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Xenforo是Xenforo公司的一个论坛软件。 XenForo 2.3.7之前版本存在授权问题漏洞，该漏洞源于影响已添加到用户账户的Passkeys，可能导致攻击者破坏基于Passkey的身份验证安全性。
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)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
XenForo XenForo 2.3.0 ~ 2.3.7 -

II. Public POCs for CVE-2025-71279

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III. Intelligence Information for CVE-2025-71279

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Same Patch Batch · XenForo · 2026-04-01 · 10 CVEs total

CVE-2025-71281 8.8 HIGH XenForo Template Method Call Restriction Bypass
CVE-2025-71278 8.8 HIGH XenForo OAuth2 Unauthorized Scope Request
CVE-2025-71282 7.5 HIGH XenForo Path Disclosure via open_basedir Exceptions
CVE-2026-35056 7.2 HIGH XenForo Remote Code Execution via Authenticated Admin
CVE-2026-35054 6.4 MEDIUM XenForo Stored Cross-Site Scripting via BB Code Rendering
CVE-2026-35057 6.4 MEDIUM XenForo Stored Cross-Site Scripting via Structured Text Mentions
CVE-2024-58342 6.3 MEDIUM XenForo Open Redirect via getDynamicRedirect
CVE-2025-71280 6.2 MEDIUM XenForo Local Account Page Caching Information Disclosure
CVE-2026-35055 6.1 MEDIUM XenForo Cross-Site Scripting via Lightbox in Posts

IV. Related Vulnerabilities

Same product: XenForo
Same vendor: XenForo
Same weakness: CWE-287

V. Comments for CVE-2025-71279

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