XSS in Cisco Identity Services Engine Software
CVE-2026-20076
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.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.8 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.003 (17.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.003 · change: +0.000
Affected products
- Cisco Identity Services Engine Software — versions 3.1.0, 3.1.0 p1, 3.1.0 p3
- Cisco Identity Services Engine — versions 3.2, 3.2.0, 3.3.0
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-20076?
- CVE-2026-20076 is a medium-severity vulnerability in Cisco Identity Services Engine Software, classified under Cross-site Scripting. CVSS score: 4.8/10. Published 2026-01-15.
- How severe is CVE-2026-20076?
- Medium severity. CVSS v3 base score is 4.8 out of 10.