What’s Vulnerable › Vulnerabilities

CVE-2020-5497

• Severity: medium (CVSS 6.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-01-04 · updated 2026-06-17
• Weakness: CWE-79

Description

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.

Affected products

• Mitreid Connect: through 1.3.3

References

• http://packetstormsecurity.com/files/156574/MITREid-1.3.3-Cross-Site-Scripting.html
• http://seclists.org/fulldisclosure/2020/Feb/25
• https://github.com/mitreid-connect/OpenID-Connect-Java-Spring-Server/issues/1521
• https://www.securitymetrics.com/blog/MITREid-Connect-cross-site-scripting-CVE-2020-5497
• http://packetstormsecurity.com/files/156574/MITREid-1.3.3-Cross-Site-Scripting.html
• http://seclists.org/fulldisclosure/2020/Feb/25
• https://github.com/mitreid-connect/OpenID-Connect-Java-Spring-Server/issues/1521
• https://www.securitymetrics.com/blog/MITREid-Connect-cross-site-scripting-CVE-2020-5497

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