Cisco Webex Meetings Stored XSS via Webex Events input
CVE-2023-20133 Published on July 7, 2023
A vulnerability in the web interface of Cisco Webex Meetings could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface. This vulnerability exists because of insufficient validation of user-supplied input in Webex Events (classic) programs, email templates, and survey questions. An attacker could exploit this vulnerability by persuading a user to click a malicious link. A successful exploit could allow the attacker to execute arbitrary script code in the context of the affected interface or access sensitive, browser-based information.
Vulnerability Analysis
CVE-2023-20133 can be exploited with network access, requires user interaction and a small amount of user privileges. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have a small impact on confidentiality and integrity, and no impact on availability.
Weakness Type
What is a XSS Vulnerability?
The software does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
CVE-2023-20133 has been classified to as a XSS vulnerability or weakness.
Products Associated with CVE-2023-20133
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Affected Versions
Cisco Webex Meetings:- Version 39.10 is affected.
- Version 39.11 is affected.
- Version 39.6 is affected.
- Version 39.7 is affected.
- Version 39.7.4 is affected.
- Version 39.7.7 is affected.
- Version 39.8 is affected.
- Version 39.8.2 is affected.
- Version 39.8.3 is affected.
- Version 39.8.4 is affected.
- Version 39.9 is affected.
- Version 39.9.1 is affected.
- Version 40.1 is affected.
- Version 40.2 is affected.
- Version 40.4 is affected.
- Version 40.4.10 is affected.
- Version 40.6 is affected.
- Version 40.6.2 is affected.
- Version 42.10 is affected.
- Version 42.11 is affected.
- Version 42.6 is affected.
- Version 42.9 is affected.
- Version 42.12 is affected.
- Version 42.8 is affected.
- Version 42.7 is affected.
- Version 43.2 is affected.
- Version 43.1 is affected.
- Version 43.3 is affected.
- Version 43.4 is affected.
- Version 43.4.2 is affected.
- Version 43.5.0 is affected.
- Version 43.4.1 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.