XenForo Passkey Security Bypass
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.
Auswirkungen und Angriffsszenarien
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.
Ausnutzungskontext
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.
Wer Ist Gefährdetwird übersetzt…
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.
Erkennungsschrittewird übersetzt…
• 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.
Angriffszeitlinie
- Disclosure
disclosure
Bedrohungsanalyse
Exploit-Status
EPSS
0.10% (29% Perzentil)
CISA SSVC
CVSS-Vektor
Was bedeuten diese Metriken?
- Attack Vector
- Netzwerk — aus der Ferne über das Internet ausnutzbar. Kein physischer oder lokaler Zugriff erforderlich.
- Attack Complexity
- Niedrig — keine besonderen Bedingungen erforderlich. Zuverlässig ausnutzbar.
- Privileges Required
- Keine — ohne Authentifizierung ausnutzbar. Keine Zugangsdaten erforderlich.
- User Interaction
- Keine — automatischer und lautloser Angriff. Das Opfer tut nichts.
- Scope
- Unverändert — Auswirkung auf das anfällige Komponente beschränkt.
- Confidentiality
- Hoch — vollständiger Vertraulichkeitsverlust. Angreifer kann alle Daten lesen.
- Integrity
- Hoch — Angreifer kann beliebige Daten schreiben, ändern oder löschen.
- Availability
- Hoch — vollständiger Absturz oder Ressourcenerschöpfung. Totaler Denial of Service.
Betroffene Software
Schwachstellen-Klassifikation (CWE)
Zeitleiste
- Reserviert
- Veröffentlicht
- EPSS aktualisiert
Mitigation und Workarounds
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.
So beheben
Aktualisieren Sie XenForo auf Version 2.3.7 oder höher. Diese Version enthält die erforderlichen Sicherheitskorrekturen, um die Sicherheitslücke bei Passkeys zu beheben.
CVE-Sicherheitsnewsletter
Schwachstellenanalysen und kritische Warnungen direkt in deinen Posteingang.
Häufig gestellte Fragenwird übersetzt…
What is CVE-2025-71279 — Passkey Authentication Bypass in XenForo?
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.
Am I affected by CVE-2025-71279 in XenForo?
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.
How do I fix CVE-2025-71279 in XenForo?
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.
Is CVE-2025-71279 being actively exploited?
Currently, there is no evidence of active exploitation in the wild, but the vulnerability's critical severity warrants immediate attention and remediation.
Where can I find the official XenForo advisory for CVE-2025-71279?
Please refer to the official XenForo security advisory for detailed information and updates regarding CVE-2025-71279: [https://xenforo.com/security/advisories/]
Ist dein Projekt betroffen?
Lade deine Abhängigkeitsdatei hoch und erfahre sofort, ob dich diese und andere CVEs treffen.