CVE-2023-26471

🎯 CVE-2023-26471 🧪 PoC 🇪🇺 EUVD

💬 0 Diskussion 📄 .md Alle CVEs anzeigen ✕

CVE-2023-26471 | XWiki Platform is a generic wiki platform. Starting in version 11.6-rc-1, comments are supposed to be executed with the right of superadmin but in restricted mode (anything dangerous is disabled), but the async macro does not take into account the restricted mode. This means that any user with comment right can use the async macro to make it execute any wiki content with the right of superadmin. This has been patched in XWiki 14.9, 14.4.6, and 13.10.10. The o

XWiki Platform is a generic wiki platform. Starting in version 11.6-rc-1, comments are supposed to be executed with the right of superadmin but in restricted mode (anything dangerous is disabled), but the async macro does not take into account the restricted mode. This means that any user with comment right can use the async macro to make it execute any wiki content with the right of superadmin. This has been patched in XWiki 14.9, 14.4.6, and 13.10.10. The only known workaround consists of applying a patch and rebuilding and redeploying `org.xwiki.platform:xwiki-platform-rendering-async-macro`.

Klassifikation & Betroffenheit:

CWE-284 xwiki xwiki-platform 11.6-rc-1, < 13.10.10xwiki-platform 14.5, < 14.9xwiki-platform 14.0, < 14.4.6xwiki xwiki *xwiki xwiki 11.6

Improper Access Control

The product does not restrict or incorrectly restricts access to a resource from an unauthorized actor.

🛡️ Empfohlene Mitigation: Very carefully manage the setting, management, and handling of privileges. Explicitly manage trust zones in the software.

Vollständige Definition bei MITRE ➔

⚔️ Typische Angriffsmuster (CAPEC):

CAPEC-19 · Embedding Scripts within Scripts (High) CAPEC-441 · Malicious Logic Insertion (High) CAPEC-478 · Modification of Windows Service Configur… (High) CAPEC-479 · Malicious Root Certificate (Low) CAPEC-502 · Intent Spoof CAPEC-503 · WebView Exposure CAPEC-536 · Data Injected During Configuration (High) CAPEC-546 · Incomplete Data Deletion in a Multi-Tena… (Medium)

🎯 ATT&CK-Techniken (Kill-Chain-Verhalten):

T1027.009 · Obfuscated Files or Information: E… T1546.004 · Event Triggered Execution:.bash_pr… T1546.016 · Event Triggered Execution: Install… T1574.011 · Hijack Execution Flow:Service Regi… T1543.003 · Create or Modify System Process:Wi… T1553.004 · Subvert Trust Controls:Install Roo…

🧩 Ähnliche Schwachstellen (Hersteller/Klasse/Score-Band):

CVE-2026-97163 10.0 CVE-2026-83944 10.0 CVE-2026-20192 10.0 CVE-2026-87230 10.0 CVE-2026-18886 10.0

🩹 Patch verfügbar (OSV):

🩹 bc18e50bcf9ea40d1e25ff8d065b3178c8247f16 (Commit) 🩹 61952343490e97926364658196c63936e0b384c5 (Commit)

📚 Referenzen & Quellen:

🇪🇺 Original-Eintrag (ENISA EUVD) 🇺🇸 NVD-Eintrag

Ausnutzungs-Zeitleiste:

Reserviert 2023

Veröffentlicht 03/2023

Heute 22.10.

CVSS-Vektor-Analyse: 10.0

AV · Angriffsvektor Netzwerk

AC · Komplexität Gering

PR · Privilegien Gering

UI · Interaktion Keine

S · Scope Verändert

C · Vertraulichkeit Hoch

I · Integrität Hoch

A · Verfügbarkeit Hoch

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

CNA-Bewertung (GitHub_M): 10.0 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Veröffentlicht:02.03.2023

Aktualisiert:17.06.2026 05:43

Assigner (CNA):GitHub_M

EUVD-ID:EUVD-2023-0963

Quellen: 🇪🇺 EUVD-Datenbank (ENISA) + 🇺🇸 NVD-Anreicherung · 24-h-Cache

CWE-284 ✓ Offizieller Patch / Advisory verfügbar

💡 Gegenmaßnahme: Sicherheits-Update des Herstellers zeitnah einspielen und Netzwerksegmentierung prüfen.

Tier	CVEs	Anteil
≥90 %	725	0,2 %
≥50 %	3.224	0,9 %
≥10 %	22.086	5,9 %
<10 %	346.853	93,0 %

Tier

CVEs

Anteil

≥90 %

725

0,2 %

≥50 %

3.224

0,9 %

≥10 %

22.086

5,9 %

<10 %

346.853

93,0 %

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