Detections
Analytics

Cisco Identity Services Engine (cisco-sa-ise-xss-9TDh2kx)

medium Nessus Plugin ID 286275

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Synopsis

The remote device is missing a vendor-supplied security patch.

Description

According to its self-reported version, Cisco ISE is affected by a vulnerability.

 - A vulnerability in the web-based management interface of Cisco Identity Services Engine (ISE) could allow an authenticated, remote attacker to conduct a stored cross-site scripting (XSS) attack against a user of the interface. This vulnerability is due to insufficient validation of user-supplied input by the web- based management interface of an affected system. An attacker could exploit this vulnerability by injecting malicious code into specific pages of the interface. 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. To exploit this vulnerability, the attacker must have valid administrative credentials. (CVE-2026-20076)

Please see the included Cisco BIDs and Cisco Security Advisory for more information.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCwk20177

See Also

http://www.nessus.org/u?a8bdcc41

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCwk20177

Plugin Details

Severity: Medium

ID: 286275

File Name: cisco-sa-ise-xss-9TDh2kx.nasl

Version: 1.1

Type: local

Family: CISCO

Published: 1/15/2026

Updated: 1/15/2026

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 5.7

CVSS v2

Risk Factor: Medium

Base Score: 4.7

Temporal Score: 3.5

Vector: CVSS2#AV:N/AC:L/Au:M/C:P/I:P/A:N

CVSS Score Source: CVE-2026-20076

CVSS v3

Risk Factor: Medium

Base Score: 4.8

Temporal Score: 4.2

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/h:cisco:identity_services_engine, cpe:/a:cisco:identity_services_engine, cpe:/a:cisco:identity_services_engine_software

Required KB Items: Host/Cisco/ISE/version

Exploit Ease: No known exploits are available

Patch Publication Date: 1/15/2026

Vulnerability Publication Date: 1/15/2026

Reference Information

CVE: CVE-2026-20076

CWE: 79

CISCO-SA: cisco-sa-ise-xss-9TDh2kx

CISCO-BUG-ID: CSCwk20177