CVE-2025-49461Network attack vector

Unauthenticated service interruption via undisclosed XSS

Published Sep 9, 2025 · Updated Sep 10, 2025

Cross-site scripting in Zoom Workplace before 6.5.0 allows remote attackers to interrupt the client through network-delivered input. Zoom has not published the affected component, input path, or missing neutralization step that permits script execution. Exploitation requires no authentication but does require user interaction, and the reported consequence is limited to denial of service.

CVSS severity4.3
Medium
EPSS probability0.31%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Zoom Workplace before 6.5.0 allows remote attackers to interrupt the client through network-delivered input. Zoom has not published the affected component, input path, or missing neutralization step that permits script execution. Exploitation requires no authentication but does require user interaction, and the reported consequence is limited to denial of service.

The record

CVE
CVE-2025-49461
Published
Sep 9, 2025
Updated
Sep 10, 2025
Vendor
Zoom Video Communications, Inc.
Product
Zoom Workplace
Classifications
CWE-79, T1499
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Sep 9, 2025CVE publishedPublication date reported by the CVE source.
  2. Sep 10, 2025Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <see references

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Zoom Video Communications, Inc. · Zoom Workplaceversion=0 <see references

Published CVSS scores

4.3Zoom CommunicationsCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L
7.4NIST NVDCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:N/I:N/A:H

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1499Endpoint Denial of Service

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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