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Known exploited vulnerability

CVE-2023-34192

criticalCVSS 3.1 9.0In CISA KEVEPSS 77%Published · n/a

The short answer

CVE-2023-34192 affects n/a n/a and is rated critical (CVSS 9.0). CISA added it to the Known Exploited Vulnerabilities catalog on 2025-02-25: attackers are using it, so patch it first.

What it is

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.

Weakness: CWE-79.

Severity

9.0 critical

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

Exploited (CISA KEV)

Yes, since Feb 25, 2025

Federal due date Mar 18, 2025

EPSS, next 30 days

77%

Higher than 100% of scored CVEs

How it can be exploited

Attack vector
Network
Attack complexity
Low
Privileges required
Low
User interaction
Required
Scope
Changed
Confidentiality impact
High
Integrity impact
High
Availability impact
High

What CISA says to do

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

Affected products

n/a. NVD's record lists the exact affected versions.

References

Questions

Is CVE-2023-34192 being exploited?

Yes. CISA added CVE-2023-34192 to its Known Exploited Vulnerabilities catalog on 2025-02-25, with a federal remediation due date of 2025-03-18.

How do I fix CVE-2023-34192?

CISA's 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.

From NVD, CISA KEV, FIRST EPSS and OSV.dev, checked . Status on NVD: Analyzed. The description is NVD's text, quoted as published.

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