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CVE-2023-20133

MEDIUMCVSS 5.4/10EPSS 0.52%

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
5.4/10

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

EPSS Probability
0.52%

40.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

VendorProductVersions
CiscoWebex Meetings39.6
CiscoWebex Meetings39.7
CiscoWebex Meetings39.7.4
CiscoWebex Meetings39.7.7
CiscoWebex Meetings39.8
CiscoWebex Meetings39.8.2
CiscoWebex Meetings39.8.3
CiscoWebex Meetings39.8.4
CiscoWebex Meetings39.9
CiscoWebex Meetings39.9.1
CiscoWebex Meetings39.10
CiscoWebex Meetings39.11
CiscoWebex Meetings40.1
CiscoWebex Meetings40.2
CiscoWebex Meetings40.4
CiscoWebex Meetings40.4.10
CiscoWebex Meetings40.6
CiscoWebex Meetings40.6.2
CiscoWebex Meetings42.6
CiscoWebex Meetings42.7
CiscoWebex Meetings42.8
CiscoWebex Meetings42.9
CiscoWebex Meetings42.10
CiscoWebex Meetings42.11
CiscoWebex Meetings42.12
CiscoWebex Meetings43.1
CiscoWebex Meetings43.2
CiscoWebex Meetings43.3
CiscoWebex Meetings43.4
CiscoWebex Meetings43.4.1
CiscoWebex Meetings43.4.2
CiscoWebex Meetings43.5.0

References

Timeline

Published
Last Modified
Status
Modified

Frequently Asked Questions

What is CVE-2023-20133?
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.
How severe is CVE-2023-20133?
CVE-2023-20133 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.52% probability of exploitation in the next 30 days.
How do I fix CVE-2023-20133?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-20133?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST