CVE-2023-34192

criticalpriority · act · 90OT risk · criticalKEV · exploitedEPSS 0.773 · 100 %ileEUUS

grimoire priorityP0 · Act now

Exploitable?

Yes · in the wild

CISA KEV

Likely / severe?

77.3% (100th) EPSS

CVSS 9 · critical

Is it mine?

2 products

Check your exposure

Who says so?

3 sources

cnnvd · enisa_euvd · nvd

added 2025-02-25remediate by 2025-03-18

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

EPSS · scored 2026-10-25

Synacor Zimbra Collaboration Suite (ZCS) Cross-Site Scripting (XSS) Vulnerability

Cross Site Scripting vulnerability in Zimbra ZCS v.8.8.15 allows a remote authenticated attacker to execute arbitrary code via a crafted script to the /h/autoSaveDraft function.

cvss

Technical severity, 0–10. One row per scoring source.

9.0

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.3 · impact 6

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:Hsecondaryexploitability 2.3 · impact 6

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H/E:Hsecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: active · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USprimary

ATT&CK techniques

ATT&CK techniques this enables or maps to.

affected products (2)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
synacor zimbra collaboration suite= 8.8.15nvdUScpe:2.3:a:synacor:zimbra_collaboration_suite:*:*:*:*:*:*:*:*

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd NVD CVE.org MITRE

published 2023-07-06modified 2026-06-17

related (52,940)

Related entries.

ID	severity	EPSS	exploitable	published
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Roundcube Webmail before 1.5.12 and 1.6 before 1.6.12 is prone to a Cross-Site-Scripting (XSS) vulnerability via the animate tag in an SVG document.
CVE-2025-48700US	—OT critical	1.71% (77th)	KEV	2025-06-23
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 exec…
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An issue was discovered in Zimbra Collaboration (ZCS) 9.0 and 10.0 and 10.1. A stored cross-site scripting (XSS) vulnerability exists in the Classic Web Client due to insufficient…

+52935 more

references (11)

External citations — patches, advisories, analysis.

scry

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