CVE-2023-20134

Cisco Webex Meetings Web UI Vulnerabilities

MEDIUM
6.5
CVSS Score
Published: April 5, 2023 at 12:00 AM UTC
Updated: June 17, 2026 at 05:29 AM UTC
1 product affected across 1 vendorWebex Meetings

Using Cisco Webex Meetings by Cisco?

Get instant alerts when new vulnerabilities affect Cisco Webex Meetings - before attackers find them.

Real-time alertsTrack your software stackFree plan available
Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%
SSVC
No known exploit

Description

Multiple vulnerabilities in the web interface of Cisco Webex Meetings could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack or upload arbitrary files as recordings. For more information about these vulnerabilities, see the Details section of this advisory.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

All versions

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20CWE-434

Get alerted

Stop reading CVE feeds looking for your own stack

Track the products you run and VulnTracker tells you when a new CVE affects them — with what is known about fixing it, and nothing about the rest.

Free plan, no card