CVE-2026-57279 — CVE & Security Advisory Radar

🎯 CVE-2026-57279 MEDIUM 6.0 🔥 EPSS 32% 🇪🇺 EUVD

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CVE-2026-57279 | Cybozu Garoon contains a cross-site scripting vulnerability. If this vulnerability is exploited, an arbitrary script may be executed in the web browser of a user logged in to the product.

Cybozu Garoon contains a cross-site scripting vulnerability. If this vulnerability is exploited, an arbitrary script may be executed in the web browser of a user logged in to the product.

Klassifikation & Betroffenheit:

Cybozu, Inc Cybozu Garoon 6.17.0 ≤6.17.1

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') 🎯 High

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

🛡️ Empfohlene Mitigation: Use a vetted library or framework that does not allow this weakness to occur or provides constructs that make this weakness easier to avoid [REF-1482]. Examples of libraries and frameworks that make it easier to generate properly encoded output include Microsoft's Anti-XSS library, the OWASP ESAPI Encoding module, and …

Vollständige Definition bei MITRE ➔

⚔️ Typische Angriffsmuster (CAPEC):

CAPEC-63 · Cross-Site Scripting (XSS) (Very High) CAPEC-85 · AJAX Footprinting (Low) CAPEC-209 · XSS Using MIME Type Mismatch (Medium) CAPEC-588 · DOM-Based XSS (Very High) CAPEC-591 · Reflected XSS (Very High) CAPEC-592 · Stored XSS (Very High)

📚 Referenzen & Quellen:

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

Ausnutzungs-Zeitleiste:

Reserviert 2026

Veröffentlicht 08/2026

Heute 02.09.

CVSS-Vektor-Analyse: 6.0

AV · Angriffsvektor Netzwerk

AC · Komplexität Gering

PR · Privilegien Gering

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:N/SI:H/SA:N

Veröffentlicht:10.08.2026

Aktualisiert:10.08.2026 17:38

Assigner (CNA):jpcert

EUVD-ID:EUVD-2026-55082

CWE-79: Cross-Site Scripting ✓ Offizieller Patch / Advisory verfügbar

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

Tier	2026-08-29	2026-09-02
≥90 %	4	0
≥50 %	4	0
≥10 %	3	0
<10 %	304	300

Datenquellen & Methodik: Primärquelle ist die EUVD der ENISA (laufender Datenbank-Sync, alle 15 Minuten), abgeglichen mit dem CISA-KEV-Katalog und der NVD — Detail-Dossiers reichern fehlende Felder live per NVD an — mit Fallback auf CIRCL vulnerability-lookup (EU/Non-Profit, aggregiert CVE-, GitHub- und OSV-Advisories). Der CISA-KEV-Katalog (Known Exploited Vulnerabilities, ~1.700 aktiv ausgenutzte Schwachstellen) wird bei jedem Sync vollständig neu geladen und kreuzreferenziert — filterbar über die KEV-Pille. CVSS 3.1 wird nach Ampel-Logik aus Verteidigersicht dekodiert; EPSS bezeichnet die 30-Tage-Exploit-Wahrscheinlichkeit (FIRST.org).

🇪🇺 ENISA EUVD 🇺🇸 NVD ⚠️ CISA KEV ⚡ EPSS

6.0 MEDIUM

🇪🇺 EUVD

EPSS

32%

CVE-2026-57279 🌐 Netzwerk (Remote) 🔑 Geringe Nutzerrechte nötig

Cybozu, Inc

CVE-2026-57279 | Cybozu Garoon contains a cross-site scripting vulnerability. If this vulnerability is exploited, an arbitrary script may be executed in the web browser of a user logged in to the product.

Cybozu Garoon contains a cross-site scripting vulnerability. If this vulnerability is exploited, an arbitrary script may be executed in the web browser of a user logged in to the product.

CWE-79: Cross-Site Scripting ✓ Offizieller Patch / Advisory verfügbar

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

10.08.2026

🛡️ Details ➔

CVE-2026-57279 | Cybozu Garoon contains a cross-site scripting vulnerability. If this vulnerability is exploited, an arbitrary script may be executed in the web browser of a user logged in to the product.

Zero-Day & Vulnerability Intelligence Hub

CVE-2026-57279 | Cybozu Garoon contains a cross-site scripting vulnerability. If this vulnerability is exploited, an arbitrary script may be executed in the web browser of a user logged in to the product.