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CVE-2025-48700

medium · 6.1Actively exploited

On the CISA Known Exploited Vulnerabilities catalog

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

Added 2026-04-20Remediation due 2026-04-23

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.

6.1
CVSS
1.7%
EPSS (exploit prob.)
76th
EPSS percentile
2025-06-23
Published

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

Weaknesses

CWE-79

Affected products

VendorProductAffected versions
synacorzimbra_collaboration_suite>= 10.0.0, < 10.0.12
synacorzimbra_collaboration_suite>= 10.1.0, < 10.1.4
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15
synacorzimbra_collaboration_suite8.8.15

Check a specific version with /api/v1/cve/match.

References

Query this programmatically:

curl https://evil-db.io/api/v1/cve/CVE-2025-48700