CVE-2025-20246

Name: CVE-2025-20246
Creator: NVD / NIST
Published: 2025-05-21T17:15:56.363+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.26%

Last modified Jun 17, 2026

CVE-2025-20246 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A vulnerability in Cisco Webex could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. A vulnerability is due to improper filtering of user-supplied input. An attacker could exploit this vulnerability by persuading a user to follow a malicious link. EPSS estimates a 0.26% chance of exploitation in the next 30 days.

Description

A vulnerability in Cisco Webex could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. A vulnerability is due to improper filtering of user-supplied input. An attacker could exploit this vulnerability by persuading a user to follow a malicious link. A successful exploit could allow the attacker to conduct a cross-site scripting attack against the targeted user.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.26%

16.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Cisco	Webex Meetings	All versions

References

https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-xss-7teQtFn8Vendor Advisory

Timeline

Published: May 21, 2025
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2025-20246?

How severe is CVE-2025-20246?

CVE-2025-20246 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.26% probability of exploitation in the next 30 days.

How do I fix CVE-2025-20246?

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-2025-20246?

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

Scan your code now

Source: NVD / NIST