CVE-2026-123539

EUVD-2026-119424
OpenAM before 16.1.4 contains a stored cross-site scripting vulnerability that allows privileged attackers to inject script by placing markup in a user's display name. When the victim reaches the OAuth 2.0 / OpenID Connect consent page, the unencoded name executes script that can steal the OpenAM session cookie to impersonate the user.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
4.8 MEDIUM
NETWORK
LOW
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 7.61%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
openidentityplatformopenam
𝑥
< 16.1.4
CNA
Common Weakness Enumeration
References
https://github.com/OpenIdentityPlatform/OpenAM/security/advisories/GHSA-v6hq-3cfh-5gr6
https://www.vulncheck.com/advisories/openam-before-16.1.4-stored-xss-via-oauth-2.0-consent-page-display-name