MEDIUMCVSS 6.1Actively exploited · CISA KEV since 2026-04-20Vulnerability

CVE-2025-48700

Synacor Zimbra Collaboration Suite (ZCS) contains a cross-site scripting vulnerability that could allow attackers to execute arbitrary JavaScript within the user's session, potentially leading to unauthorized access to sensitive information.

Properties

Vulnerability name
Synacor Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability
First seen
2026-04-21T03:55:38+00:00
Cvss score
6.1
Epss score
0.01713
Last seen
2026-10-19T12:00:27+00:00
Due date
2026-04-23
Euvd assigner
mitre
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2026-04-20T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2026-04-20
Score
6.1
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
In Signal since
initial import (Sep 2026)
Euvd base score
6.1
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Vendor project
Synacor

Related Entities (96 · showing 23)

AFFECTS_PRODUCT (93 · showing 20)

→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p13:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p4:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p40:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p39:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p35:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p7:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p38:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p33:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p36:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p34:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p30:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p37:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p24.1:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p32:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p5:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p29:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p31:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p26:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p8:*:*:*:*:*:*
→[Product]cpe:2.3:a:synacor:zimbra_collaboration_suite:9.0.0:p42:*:*:*:*:*:*

DESCRIBES (1)

←[KEVEntry]Synacor Zimbra Collaboration Suite (ZCS) Cross-site Scripting Vulnerability

HAS_WEAKNESS (1)

→[Weakness]Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

INVOLVES (1)

←[Signal]kev_added · 2026-04-20

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CVE-2025-48700 (CVSS 6.1) — Ninja Signal Threat Intelligence | Ninja Signal