{"id":"CVE-2023-49104","aliases":["EUVD-2023-53113","GHSA-phfx-x4q3-w99v"],"status":"published","title":"An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is...","description":"An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation, and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker.","severity":{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AC:H/AV:N/A:N/C:H/I:H/PR:N/S:C/UI:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00562,"percentile":0.47059,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-601"],"published":"2023-11-21T00:00:00Z","modified":"2026-06-17T06:35:22Z","products":[{"vendor":"owncloud","product":"oauth2"}],"references":[{"url":"https://owncloud.org/security","tags":["x_transferred","Vendor Advisory"]},{"url":"https://owncloud.com/security-advisories/subdomain-validation-bypass/","tags":["x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-49104"},{"url":"https://github.com/advisories/GHSA-phfx-x4q3-w99v"}],"sources":{"cve":[{"id":"CVE-2023-49104","description":"An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation, and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker.","status":"published","published":"2023-11-21T00:00:00Z","modified":"2024-09-04T18:44:05.609Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AC:H/AV:N/A:N/C:H/I:H/PR:N/S:C/UI:N","level":"high","assessor":"cna"}],"updated_at":"2026-11-02T14:35:13.368958Z"}],"euvd":[{"id":"EUVD-2023-53113","description":"An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation, and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker.","status":"published","published":"2023-11-21T00:00:00Z","modified":"2024-09-04T18:44:05Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AC:H/AV:N/A:N/C:H/I:H/PR:N/S:C/UI:N","level":"high"}],"updated_at":"2026-11-03T00:56:04.166522Z"}],"ghsa":[{"id":"GHSA-phfx-x4q3-w99v","title":"An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is...","description":"An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation, and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker.","status":"published","published":"2023-11-22T00:30:21Z","modified":"2023-12-01T18:30:25Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"high"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:55:08.006495Z"}],"nvd":[{"id":"CVE-2023-49104","description":"An issue was discovered in ownCloud owncloud/oauth2 before 0.6.1, when Allow Subdomains is enabled. An attacker is able to pass in a crafted redirect-url that bypasses validation, and consequently allows an attacker to redirect callbacks to a Top Level Domain controlled by the attacker.","status":"published","published":"2023-11-21T22:15:08.45Z","modified":"2026-06-17T06:35:22.713Z","cvss":[{"version":"3.1","score":8.7,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","level":"high","assessor":"secondary"},{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-601"],"updated_at":"2026-11-02T14:08:47.966245Z"}]}}