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MEDIUM 6.1

GHSA-vqxv-6xrh-49cp

OpenAM Reflected XSS in the OAuth2/OIDC `wap` consent page

Quick fix

GHSA-vqxv-6xrh-49cp — org.openidentityplatform.openam:openam-oauth2: upgrade to the fixed version with the command below.

# pom.xml: bump <version>16.1.2</version> for org.openidentityplatform.openam:openam-oauth2

Details

### Description The OAuth2/OIDC consent page rendered for `display=wap` authorize requests reflected several request-derived values into the HTML response without escaping. An attacker who induces a user with an active OpenAM session to follow a crafted authorize link can execute arbitrary JavaScript in the OpenAM origin.

This is the same vulnerability class as CVE-2026-44203; that fix did not cover this code path.

### Impact Arbitrary JavaScript execution in the OpenAM origin in the victim's authenticated context — enabling session/cookie theft, CSRF-token exfiltration, and actions on behalf of the victim, up to administrative takeover if the victim is an administrator. Reachable on any deployment with at least one registered OAuth2 client; no attacker-controlled client and no special configuration required.

### Mitigation - Upgrade to 16.1.2 (or later). - Until then, restrict/limit access to the OAuth2 authorize endpoint and treat unsolicited `display=wap` authorize links as untrusted.

Are you affected?

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Affected packages

Maven / org.openidentityplatform.openam:openam-oauth2
Introduced in: 13.0.0 Fixed in: 16.1.2
Fix # pom.xml: bump <version>16.1.2</version> for org.openidentityplatform.openam:openam-oauth2

References