CVE-2026-112290CWE-79cross-site-scripting

CVE-2026-112290

Medium · published October 19, 2026

CVSS v3.1
4.7
EPSS
0%
Percentile
7.4
In the wild
Unconfirmed
What it is

Intelligence Community UI Kit @ukic/canary-web-components 3.0.0-canary.12 before 3.0.0-canary.48 contains a DOM-based cross-site scripting vulnerability in ic-tree-item that re-parses router-item slot text as HTML. When tree item truncation is enabled, attackers who influence a tree item label can have escaped markup decoded by truncateTreeItemLabel() and executed as JavaScript in visitors' browsers.

The record
Technical detail
CVSS v3.1
4.7 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N
CVSS v4.0
2.3 · CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N
EPSS
0.00183 · 7.4th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-10-19T18:17Z
References (4)
https://github.com/aaronamran/Public-Vulnerability-Disclosures/blob/main/2026/dom-xss-mi6-ic-ui-kit/README.md · [email protected]https://github.com/mi6/ic-ui-kit/blob/7b32c7c2b53b74a915f40984fb7b0a2d825fc49c/packages/canary-web-components/src/components/ic-tree-item/ic-tree-item.tsx · [email protected]https://github.com/mi6/ic-ui-kit/commit/e0eb0f16597dcb994a75c5230cd9243647ad7b3d · [email protected]https://www.vulncheck.com/advisories/mi6-ukic-canary-web-components-3.0.0-canary.12-before-3.0.0-canary.48-dom-xss-via-ic-tree-item · [email protected]
EPSS history
Timeline
  • 21 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 19 OCT 13:55Z
    MI6 @ukic/canary-web-components 3.0.0-canary.12 before 3.0.0-canary.48 DOM XSS via ic-tree-item
    cvelistv5
  • 19 OCT 13:55Z
    MI6 @ukic/canary-web-components 3.0.0-canary.12 before 3.0.0-canary.48 DOM XSS via ic-tree-item
    cvelistv5