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Vulnerabilities

Vulnerability · CVE-2025-20246

A vulnerability in Cisco Webex could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack.

Published May 21, 2025 · catalog updated May 21, 2025 · Cisco Cisco Webex Meetings

Check this week

CVE-2025-20246 is not in CISA KEV. FIRST estimates a 31.00% chance of exploitation in the next 30 days. Check whether you run Cisco Cisco Webex Meetings.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Medium6.1
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
31.00%
Remediation
Advisory link
Affected products
vendor Cisco Cisco Webex Meetings N/A

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.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Cisco Cisco Webex Meetings N/AN/A

How to fix CVE-2025-20246

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2025-20246 is not in CISA KEV. FIRST estimates a 31.00% chance of exploitation in the next 30 days. Check whether you run Cisco Cisco Webex Meetings.

Which versions are affected?

Compare what you have installed with Cisco Cisco Webex Meetings N/A N/A. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 31.00%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Technology hubs

Cisco security

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. May 21, 2025 · EUVD

    Detected

    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 us

  2. May 21, 2025 · EUVD

    Updated

    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 us

Sources

  • CVE.orgVulnerability recordCVE-2025-20246

    Official CVE identifier

    cve.org
  • EUVDVulnerability recordEUVD-2025-16042

    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 malici

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog May 21, 2025. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.