CVE Explorer
CVE-2026-20233
A vulnerability in the web-based user interface of Cisco Webex Meetings could have allowed an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. Cisco has addressed this vulnerability in the Webex Meetings service, and no customer action is needed.
This vulnerability existed because of insufficient validation of user input. Prior to this vulnerability being addressed, an attacker could have exploited this vulnerability by persuading a user to follow a malicious l
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
0
Affected products and versions
1 source assertion{"defaultStatus":"unknown","product":"Cisco Webex Meetings","vendor":"Cisco","versions":[{"status":"affected","version":"39.7.7"},{"status":"affected","version":"39.9"},{"status":"affected","version":"40.4.10"},{"status":"affected","version":"39.6"},{"status":"affected","version":"40.6.2"},{"status":"affected","version":"39.8.2"},{"status":"affected","version":"39.8.4"},{"status":"affected","version":"40.1"},{"status":"affected","version":"39.11"},{"status":"affected","version":"39.7.4"},{"status":"affected","version":"39.9.1"},{"status":"affected","version":"40.4"},{"status":"affected","versi…
- cve_program_cvelist_v5affectedurn:baitaphish:normalized-source-record:v2:8e2fc660b03f6dfe48e578e9db8cfa1d6468705fc9f60bda2b6cf30217868846 · sha256:4697ddc82b786932… · /containers/cna/affected/0
Provider-owned CVSS observations
1 source assertion{"metric":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"},"metric_type":"cvssV3_1"}
- cve_program_cvelist_v5cvssurn:baitaphish:normalized-source-record:v2:8e2fc660b03f6dfe48e578e9db8cfa1d6468705fc9f60bda2b6cf30217868846 · sha256:4697ddc82b786932… · /containers/cna/metrics/0/cvssV3_1
CWE assertions
1 source assertion{"cweId":"CWE-79","description":"Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"cwe"}
- cve_program_cvelist_v5cweurn:baitaphish:normalized-source-record:v2:8e2fc660b03f6dfe48e578e9db8cfa1d6468705fc9f60bda2b6cf30217868846 · sha256:4697ddc82b786932… · /containers/cna/problemTypes/0/descriptions/0
Source references
1 source assertion{"name":"cisco-sa-webex-xss-jw3NeQzS","url":"https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-webex-xss-jw3NeQzS"}
- cve_program_cvelist_v5referenceurn:baitaphish:normalized-source-record:v2:8e2fc660b03f6dfe48e578e9db8cfa1d6468705fc9f60bda2b6cf30217868846 · sha256:4697ddc82b786932… · /containers/cna/references/0
Attribution and limitations
- CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →
Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.