CVE-2026-20090

Medium

Description

A vulnerability in the web-based management interface of Cisco IMC could allow an authenticated, remote attacker with administrative privileges to conduct a stored XSS attack against a user of the interface. This vulnerability is due to insufficient validation of user input. An attacker could exploit this vulnerability by persuading a user of an affected interface to click a crafted link. A successful exploit could allow the attacker to execute arbitrary script code in the browser of the targeted user or access sensitive, browser-based information.

SeverityMedium
CVSS4.8
Exploit probability—
ProductCisco Enterprise Nfv Infrastructure Software
PublishedApr 1, 2026
First seenApr 1, 2026

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
cisco enterprise_nfv_infrastructure_software3.3.1, 3.4.1, 3.5.1, 3.5.2, 3.6.1, 3.6.2, 3.6.3, 3.7.1, 3.8.1, 3.9.1, 3.9.2, 3.10.1, 3.10.2, 3.10.3, 3.11.1, 3.11.2, 3.11.3, 3.12.1, 3.12.1a, 3.12.1b, 3.12.2, 3.12.3, 4.1.1, 4.1.2, 4.2.1, 4.2.2, 4.4.1, 4.4.2, 4.4.3, 4.5.1, 4.6.1, 4.6.2, 4.6.2-fc2, 4.6.2-fc3, 4.6.3, 4.6.3-fc4, 4.6.4, 4.6.5-es1, 4.7.1, 4.8.1, 4.8.2, 4.9.1, 4.9.2, 4.9.2-fc5, 4.9.3, 4.9.4, 4.9.4-es8, 4.9.4-es9, 4.9.4-fc3, 4.9.5, 4.9.6, 4.10.1, 4.11.1, 4.12.1, 4.12.2, 4.12.3, 4.12.4, 4.12.5, 4.12.6, 4.13.1, 4.14.1, 4.15.1, 4.15.2, 4.15.3, 4.15.4, 4.16.1, 4.18.1, 4.18.2, 4.18.2a—
cisco unified_computing_system3.1\(1d\), 3.1\(2b\), 3.1\(2c\), 3.1\(2d\), 3.1\(2e\), 3.1\(2g\), 3.1\(2i\), 3.1\(3a\), 3.1\(3b\), 3.1\(3c\), 3.1\(3d\), 3.1\(3g\), 3.1\(3h\), 3.1\(3i\), 3.1\(3j\), 3.1\(3k\), 4.0\(1.240\), 4.0\(1a\), 4.0\(1b\), 4.0\(1c\), 4.0\(1d\), 4.0\(1e\), 4.0\(1g\), 4.0\(1h\), 4.0\(2c\), 4.0\(2d\), 4.0\(2f\), 4.0\(2g\), 4.0\(2h\), 4.0\(2i\), 4.0\(2k\), 4.0\(2l\), 4.0\(2m\), 4.0\(2n\), 4.0\(2o\), 4.0\(2p\), 4.0\(2q\), 4.0\(2r\), 4.0\(4b\), 4.0\(4c\), 4.0\(4d\), 4.0\(4e\), 4.0\(4f\), 4.0\(4h\), 4.0\(4i\), 4.0\(4j\), 4.0\(4k\), 4.0\(4l\), 4.0\(4m\), 4.0\(4n\), 4.1\(1c\), 4.1\(1d\), 4.1\(1f\), 4.1\(1g\), 4.1\(1h\), 4.1\(2a\), 4.1\(2b\), 4.1\(2d\), 4.1\(2e\), 4.1\(2f\), 4.1\(2g\), 4.1\(2h\), 4.1\(2j\), 4.1\(2k\), 4.1\(2l\), 4.1\(2m\), 4.1\(3b\), 4.1\(3c\), 4.1\(3d\), 4.1\(3f\), 4.1\(3g\), 4.1\(3h\), 4.1\(3i\), 4.1\(3l\), 4.1\(3m\), 4.1\(3n\), 4.2\(1a\), 4.2\(1b\), 4.2\(1c\), 4.2\(1e\), 4.2\(1f\), 4.2\(1g\), 4.2\(1i\), 4.2\(1j\), 4.2\(2a\), 4.2\(2f\), 4.2\(2g\), 4.2\(3b\), 4.2\(3d\), 4.2\(3e\), 4.2\(3g\), 4.2\(3h\), 4.2\(3i\), 4.2\(3j\), 4.2\(3k\), 4.2\(3l\), 4.2\(3m\), 4.2\(3n\), 4.2\(3o\), 4.2\(3p\), 4.3\(1.230097\), 4.3\(1.230124\), 4.3\(1.230138\), 4.3\(2.230207\), 4.3\(2.230270\), 4.3\(2.240002\), 4.3\(2.240009\), 4.3\(2.240037\), 4.3\(2.240053\), 4.3\(2.240077\), 4.3\(2.240090\), 4.3\(2.240107\), 4.3\(2.250016\), 4.3\(2.250021\), 4.3\(2.250022\), 4.3\(2.250037\), 4.3\(2.250045\), 4.3\(2.250063\), 4.3\(3.240022\), 4.3\(3.240041\), 4.3\(3.240043\), 4.3\(4.240142\), 4.3\(4.240152\), 4.3\(4.241014\), 4.3\(4.241063\), 4.3\(4.242028\), 4.3\(4.242038\), 4.3\(4.242066\), 4.3\(4.252001\), 4.3\(4.252002\), 4.3\(5.240021\)—

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