Plattform
php
Komponente
xenforo
Behoben in
2.3.7
CVE-2025-71279 affects XenForo versions 2.3.0 through 2.3.7. This vulnerability involves a security flaw in the Passkey authentication mechanism, enabling attackers to potentially bypass the intended security controls. Successful exploitation could grant unauthorized access to user accounts. The issue is resolved in XenForo version 2.3.7.
The core impact of CVE-2025-71279 lies in the potential for attackers to circumvent Passkey-based authentication. Passkeys are designed to provide a more secure and user-friendly alternative to traditional passwords. If exploited, an attacker could gain access to a user's account without needing to know their Passkey, effectively bypassing a significant security layer. This could lead to data breaches, account takeover, and potential damage to the forum's reputation. The severity is heightened by the increasing adoption of Passkeys as a security best practice.
CVE-2025-71279 was publicly disclosed on 2026-04-01. There are currently no known public proof-of-concept exploits available. The vulnerability's criticality (CVSS 9.8) suggests a high potential for exploitation if a suitable exploit is developed. It is advisable to monitor security advisories and forums for any emerging threats related to this CVE.
Organizations and individuals using XenForo versions 2.3.0 through 2.3.7 are at risk. This is particularly concerning for forums with a high reliance on Passkey authentication for user login, as it significantly weakens the security posture of those accounts. Shared hosting environments where multiple users share the same XenForo instance are also at increased risk.
• php: Examine XenForo logs for unusual authentication patterns or errors related to Passkey handling. Look for attempts to bypass authentication mechanisms.
grep -i 'passkey' /path/to/xenforo/logs/error.log• php: Check XenForo configuration files for any modifications that could weaken authentication security. • generic web: Monitor for unusual login activity or account changes, particularly for users who have enabled Passkey authentication.
disclosure
Exploit-Status
EPSS
0.10% (29% Perzentil)
CISA SSVC
CVSS-Vektor
The primary mitigation for CVE-2025-71279 is to immediately upgrade XenForo to version 2.3.7 or later. If an immediate upgrade is not feasible, consider temporarily disabling Passkey authentication for new users until the upgrade can be performed. While not a complete solution, reviewing XenForo's access logs for any suspicious activity related to Passkey authentication attempts could provide early detection of potential exploitation. After upgrading, confirm the vulnerability is resolved by attempting Passkey authentication and verifying that the expected security controls are in place.
Aktualisieren Sie XenForo auf Version 2.3.7 oder höher. Diese Version enthält die erforderlichen Sicherheitskorrekturen, um die Sicherheitslücke bei Passkeys zu beheben.
Schwachstellenanalysen und kritische Warnungen direkt in deinen Posteingang.
CVE-2025-71279 is a critical vulnerability in XenForo versions 2.3.0–2.3.7 that allows attackers to bypass Passkey authentication, potentially gaining unauthorized access to user accounts.
Yes, if you are using XenForo versions 2.3.0 through 2.3.7 and have enabled Passkey authentication, you are potentially affected by this vulnerability.
The recommended fix is to upgrade XenForo to version 2.3.7 or later. As a temporary workaround, consider disabling Passkey authentication until you can upgrade.
Currently, there is no evidence of active exploitation in the wild, but the vulnerability's critical severity warrants immediate attention and remediation.
Please refer to the official XenForo security advisory for detailed information and updates regarding CVE-2025-71279: [https://xenforo.com/security/advisories/]
Lade deine Abhängigkeitsdatei hoch und erfahre sofort, ob dich diese und andere CVEs treffen.