CVE-2026-44203CRITICALCVSS 9.3

OpenAM has pre-auth Reflected XSS in OAuth2 / OIDC response_mode=form_post via state parameter (FormPostResponse.ftl)

Published Jun 22, 2026·Updated Jun 22, 2026

Description

### Summary The OAuth 2.0 / OpenID Connect authorization endpoint does not sufficiently sanitize certain user-supplied parameters before incorporating them into the HTML response generated for the `form_post` response mode. This may allow an attacker to inject content into the rendered page in the context of the OpenAM origin.

Affected Packages (1)

org.openidentityplatform.openam:openam-oauth2MAVEN
From 13.0.0
Fixed in 16.1.1

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

References

View on NVD Search GitHub Search Google

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