{"cve":"CVE-2020-5497","nvd":{"published":"2020-01-04T03:15:10.630","modified":"2026-06-17T03:21:30.073","status":"Modified","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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","score":6.1},"cwes":["CWE-79"],"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"],"products":["mitreid:connect"],"source":"nvd","synced_at":"2026-10-19T21:01:01.339895972+00:00"},"epss":{"cve":"CVE-2020-5497","score":0.02133,"percentile":0.81996,"date":"2026-10-31"},"kev":null,"osv":[{"id":"GHSA-c2h6-7gm8-cv4w","url":"https://osv.dev/vulnerability/GHSA-c2h6-7gm8-cv4w","summary":"XSS in MITREid Connect","modified":"2023-11-08T04:03:55.956159Z","packages":[{"ecosystem":"Maven","name":"org.mitre:openid-connect-server","purl":"pkg:maven/org.mitre/openid-connect-server","ranges":["<=1.3.3"],"fixed":[]}]}],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}