CVE-2025-20247

mediumpriority · track · 0EPSS 0.003 · 23 %ileDEEUNLRUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

0.31% (23rd) EPSS

CVSS 6.1 · medium

Is it mine?

7 products

Check your exposure

Who says so?

7 sources

cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-23

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.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedCisco Webex Meetingscisco_csaf
Cisco has released software updates that address this vulnerability.
https://software.cisco.com

cvss

Technical severity, 0–10. One row per scoring source.

6.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.16.1mediumAV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · FSTEC (BDU) RU

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · ENISA EU

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · psirt@cisco.com USexploitability 2.8 · impact 2.7

v3.15.6mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N/E:Usecondary · CVSS-BT (t0sche)

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · NCSC-NL NL

v3.16.1mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:Nsecondary · Cisco PSIRT US

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Trackcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-79USCWE-79USCWE-79US

affected products (7)

Products and version ranges known to be affected.

Cisco WebExall versionscert_bundDEcpe:/a:cisco:webex:-
Cisco Cisco Webex Meetingsall versionscisco_csafUS
Cisco Cisco Webex Meetings≤ N/Aenisa_euvdEU
Cisco Systems Inc. Cisco Webexall versionsfstec_bduRU
Webex Meetings≤ vers:unknown/unknownncsc_nlNLcpe:2.3:a:cisco:webex_meetings:t30_base:*:*:*:*:*:*:*
Cisco Cisco Webex Meetings≤ vers:unknown/n/ancsc_nlNL
cisco webex meetingsall versionsnvdUScpe:2.3:a:cisco:webex_meetings:*:*:*:*:*:*:*:*

advisories (3)

Vendor and ecosystem advisories describing this.

NCSC-2025-0172Kwetsbaarheden verholpen in Cisco WebexNL2025-05-22csaf · ncsc_nlNL
Cisco heeft kwetsbaarheden verholpen in Cisco Webex.
WID-SEC-W-2025-1129Cisco WebEx: Mehrere SchwachstellenDeutsch2025-05-21csaf · cert_bundDE
Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Cisco WebEx ausnutzen, um einen Cross-Site Scripting Angriff durchzuführen oder Daten zu manipulieren.
cisco-sa-webex-xss-7teQtFn8Cisco Webex Services Cross-Site Scripting Vulnerabilities2025-05-21csaf · cisco_csafUS
Multiple vulnerabilities in Cisco Webex could allow an unauthenticated, remote attacker to conduct a cross-site scripting (XSS) attack. These vulnerabilities are due to improper filtering of user-supplied input. An attacker could exploit these vulnerabilities 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. Cisco has addressed these vulnerabilities in the service, and no customer action is necessary to update on-premises software or devices. There are no workarounds that address the vulnerabilities.

also known as (4)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd fstec_bdu cert_bund cisco_csaf ncsc_nl nvd NVD CVE.org MITRE

published 2025-05-21modified 2026-06-17

references (3)

External citations — patches, advisories, analysis.

scry

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