{"id":"CVE-2026-59316","aliases":["EUVD-2026-67198","GHSA-5pc3-v4c3-6pv4"],"status":"published","title":"Spring Authorization Server Default Consent Page is vulnerable to Cross-Site Scripting (XSS)","description":"Spring Authorization Server's default consent page renders user-controlled values without HTML entity encoding. When using the DefaultConsentPage, an attacker can craft an OAuth2 authorization request containing a malicious value that is stored server-side and later rendered unencoded in the default consent page presented to the end user.\nSpring Authorization Server 1.5.0 - 1.5.8\nSpring Authorization Server 1.4.0 - 1.4.11","severity":{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.00319,"percentile":0.25162,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-08-27T18:04:44Z","modified":"2026-08-31T23:39:56Z","products":[{"vendor":"broadcom","product":"spring_authorization_server"},{"vendor":"spring","product":"spring authorization server"}],"references":[{"url":"https://spring.io/security/cve-2026-59316","tags":["Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-59316"},{"url":"https://github.com/advisories/GHSA-5pc3-v4c3-6pv4"}],"sources":{"cve":[{"id":"CVE-2026-59316","title":"Spring Authorization Server Default Consent Page is vulnerable to Cross-Site Scripting (XSS)","description":"Spring Authorization Server's default consent page renders user-controlled values without HTML entity encoding. When using the DefaultConsentPage, an attacker can craft an OAuth2 authorization request containing a malicious value that is stored server-side and later rendered unencoded in the default consent page presented to the end user.\nSpring Authorization Server 1.5.0 - 1.5.8\nSpring Authorization Server 1.4.0 - 1.4.11","status":"published","published":"2026-08-27T18:04:44.963Z","modified":"2026-08-28T22:47:16.884Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:19:58.560602Z"}],"euvd":[{"id":"EUVD-2026-67198","description":"Spring Authorization Server's default consent page renders user-controlled values without HTML entity encoding. When using the DefaultConsentPage, an attacker can craft an OAuth2 authorization request containing a malicious value that is stored server-side and later rendered unencoded in the default consent page presented to the end user.\nSpring Authorization Server 1.5.0 - 1.5.8\nSpring Authorization Server 1.4.0 - 1.4.11","status":"published","published":"2026-08-27T18:04:44Z","modified":"2026-08-28T22:47:16Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high"}],"updated_at":"2026-11-02T18:01:22.342607Z"}],"ghsa":[{"id":"GHSA-5pc3-v4c3-6pv4","title":"Spring Authorization Server's default consent page renders user-controlled values without HTML...","description":"Spring Authorization Server's default consent page renders user-controlled values without HTML entity encoding. When using the DefaultConsentPage, an attacker can craft an OAuth2 authorization request containing a malicious value that is stored server-side and later rendered unencoded in the default consent page presented to the end user.\nSpring Authorization Server 1.5.0 - 1.5.8\nSpring Authorization Server 1.4.0 - 1.4.11","status":"published","published":"2026-08-27T21:31:49Z","modified":"2026-08-29T00:30:57Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:11:08.705354Z"}],"nvd":[{"id":"CVE-2026-59316","description":"Spring Authorization Server's default consent page renders user-controlled values without HTML entity encoding. When using the DefaultConsentPage, an attacker can craft an OAuth2 authorization request containing a malicious value that is stored server-side and later rendered unencoded in the default consent page presented to the end user.\nSpring Authorization Server 1.5.0 - 1.5.8\nSpring Authorization Server 1.4.0 - 1.4.11","status":"published","published":"2026-08-27T20:17:57.667Z","modified":"2026-08-31T23:39:56.947Z","cvss":[{"version":"3.1","score":8.2,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:L/A:N","level":"high","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:42.035353Z"}]}}