medium

CVE-2026-62280

Maven · org.openidentityplatform.openam:openam-oauth2

Summary

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

Severity
medium
CVSS
6.1
EPSS
0.3% (p26)
CWE
CWE-79
Also known as
GHSA-vqxv-6xrh-49cp
Published
2026-07-24
Updated
2026-07-24

Advisory 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

References

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Sources: CISA KEV (public domain), OSV.dev & GitHub Advisory Database (CC-BY-4.0), FIRST EPSS, NVD/CWE (public domain). Served live from the Stateward advisory database.