CVE-2025-48700

Katalog CVE

CVSS 6.1 · Medium KEV · sudah dieksploitasi EPSS 1,7%

Kerentanan Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') pada synacor zimbra collaboration suite. Skor CVSS 3.1 6.1 (Medium) menurut CISA ADP. Masuk katalog KEV CISA pada 20 April 2026, artinya sudah terbukti dieksploitasi.

Deskripsi (NVD)

An issue was discovered in Zimbra Collaboration (ZCS) 8.8.15 and 9.0 and 10.0 and 10.1. A Cross-Site Scripting (XSS) vulnerability in the Zimbra Classic UI allows attackers to execute arbitrary JavaScript within the user's session, potentially leading to unauthorized access to sensitive information. This issue arises from insufficient sanitization of HTML content, specifically involving crafted tag structures and attribute values that include an @import directive and other script injection vectors. The vulnerability is triggered when a user views a crafted e-mail message in the Classic UI, requiring no additional user interaction.

Rincian

Terbit di NVD

23 Juni 2025

Terakhir diubah

17 Juni 2026

Status NVD

Analyzed

CVSS 3.1

6.1 (Medium), sumber CISA ADP
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N · uraikan di kalkulator

Jenis kelemahan (CWE)

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

EPSS (30 hari)

1,7% peluang dieksploitasi; lebih tinggi dari 76,7% CVE lain

Known Exploited Vulnerabilities (CISA)

Nama

Synacor Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability

Masuk KEV

20 April 2026

Tenggat CISA

23 April 2026 (untuk instansi federal AS)

Ransomware

Belum tercatat

Tindakan wajib

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Produk dan versi terdampak

> Data dari konfigurasi CPE di NVD. Ditampilkan 60 dari 94 konfigurasi; daftar lengkap ada di NVD.

Referensi dan perbaikan

• https://wiki.zimbra.com/wiki/Zimbra_Security_Advisories advisory vendor
• https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-48700 pemerintah AS
• https://wiki.zimbra.com/wiki/Security_Center release notes
• https://wiki.zimbra.com/wiki/Zimbra_Responsible_Disclosure_Policy product