CVE-2023-20133
Last modified
CVE-2023-20133 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 0.52% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Cisco | Webex Meetings | 39.6 |
| Cisco | Webex Meetings | 39.7 |
| Cisco | Webex Meetings | 39.7.4 |
| Cisco | Webex Meetings | 39.7.7 |
| Cisco | Webex Meetings | 39.8 |
| Cisco | Webex Meetings | 39.8.2 |
| Cisco | Webex Meetings | 39.8.3 |
| Cisco | Webex Meetings | 39.8.4 |
| Cisco | Webex Meetings | 39.9 |
| Cisco | Webex Meetings | 39.9.1 |
| Cisco | Webex Meetings | 39.10 |
| Cisco | Webex Meetings | 39.11 |
| Cisco | Webex Meetings | 40.1 |
| Cisco | Webex Meetings | 40.2 |
| Cisco | Webex Meetings | 40.4 |
| Cisco | Webex Meetings | 40.4.10 |
| Cisco | Webex Meetings | 40.6 |
| Cisco | Webex Meetings | 40.6.2 |
| Cisco | Webex Meetings | 42.6 |
| Cisco | Webex Meetings | 42.7 |
| Cisco | Webex Meetings | 42.8 |
| Cisco | Webex Meetings | 42.9 |
| Cisco | Webex Meetings | 42.10 |
| Cisco | Webex Meetings | 42.11 |
| Cisco | Webex Meetings | 42.12 |
| Cisco | Webex Meetings | 43.1 |
| Cisco | Webex Meetings | 43.2 |
| Cisco | Webex Meetings | 43.3 |
| Cisco | Webex Meetings | 43.4 |
| Cisco | Webex Meetings | 43.4.1 |
| Cisco | Webex Meetings | 43.4.2 |
| Cisco | Webex Meetings | 43.5.0 |
References
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
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