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TI-2020-04475 Aliases CVE-2020-5497GHSA-c2h6-7gm8-cv4w

The OpenID Connect reference implementation for MITREid Connect through 1.3.3 allows XSS…

Priority LOW 31CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

The OpenID Connect reference implementation for MITREid Connect through 1.3.3 allows XSS due to userInfoJson being included in the page unsanitized. This is related to header.tag. The issue can be exploited to execute arbitrary JavaScript.

Why it matters now

EPSS 0.02133 82nd percentileScored 2026-11-07
Public exploit Yes 3 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—org.mitre:openid-connect-server (Maven)up to 1.3.3—No fix listedGHSA-c2h6-7gm8-cv4w
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • org.mitre:openid-connect-server (Maven) Vendor— Affected up to 1.3.3 Fixed in — No fix listed GHSA-c2h6-7gm8-cv4w

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mitreid:connect:*:*:*:*:*:*:*:*up to 1.3.3VulnerableMitreid
  • cpe:2.3:a:mitreid:connect:*:*:*:*:*:*:*:* Versions up to 1.3.3 Vulnerable ·Mitreid

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-5497
  2. 2026-10-03 Alias added: GHSA-c2h6-7gm8-cv4w

References

Exploit 3

Advisory 2

Other 2

  • TI-2021-09034 org/mitre/oauth2/web/OAuthConfirmationController.java in the OpenID Connect server… CVSS 3.1CRITICAL 9.1
  • TI-2021-08394 The OpenID Connect server implementation for MITREid Connect through 1.3.3 contains a… CVSS 3.1CRITICAL 9.1

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences