{"id":"CVE-2025-63807","aliases":["EUVD-2025-198338","GHSA-xqf6-9hf7-323f"],"status":"published","title":"An issue was discovered in weijiang1994 university-bbs (aka Blogin) in commit...","description":"An issue was discovered in weijiang1994 university-bbs (aka Blogin) in commit 9e06bab430bfc729f27b4284ba7570db3b11ce84 (2025-01-13). A weak verification code generation mechanism combined with missing rate limiting allows attackers to perform brute-force attacks on verification codes without authentication. Successful exploitation may result in account takeover via password reset or other authentication bypass methods.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-09","score":0.00523,"percentile":0.44617,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-1390","CWE-307"],"published":"2025-11-20T00:00:00Z","modified":"2026-11-05T13:10:00Z","products":[{"vendor":"2dogz","product":"blogin"}],"references":[{"url":"https://gist.github.com/Rycarl-Furry/3e93c6f0d48a29518adf341e0fc7e2dd","tags":["Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-63807"},{"url":"https://github.com/advisories/GHSA-xqf6-9hf7-323f"}],"sources":{"cve":[{"id":"CVE-2025-63807","description":"An issue was discovered in weijiang1994 university-bbs (aka Blogin) in commit 9e06bab430bfc729f27b4284ba7570db3b11ce84 (2025-01-13). A weak verification code generation mechanism combined with missing rate limiting allows attackers to perform brute-force attacks on verification codes without authentication. Successful exploitation may result in account takeover via password reset or other authentication bypass methods.","status":"published","published":"2025-11-20T00:00:00Z","modified":"2025-11-21T14:39:39.545Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"adp"}],"cwes":["CWE-1390","CWE-307"],"updated_at":"2026-11-02T14:32:45.503988Z"}],"euvd":[{"id":"EUVD-2025-198338","description":"An issue was discovered in weijiang1994 university-bbs (aka Blogin) in commit 9e06bab430bfc729f27b4284ba7570db3b11ce84 (2025-01-13). A weak verification code generation mechanism combined with missing rate limiting allows attackers to perform brute-force attacks on verification codes without authentication. Successful exploitation may result in account takeover via password reset or other authentication bypass methods.","status":"published","published":"2025-11-20T00:00:00Z","modified":"2025-11-21T14:39:39Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T19:49:13.665045Z"}],"ghsa":[{"id":"GHSA-xqf6-9hf7-323f","title":"An issue was discovered in weijiang1994 university-bbs (aka Blogin) in commit...","description":"An issue was discovered in weijiang1994 university-bbs (aka Blogin) in commit 9e06bab430bfc729f27b4284ba7570db3b11ce84 (2025-01-13). A weak verification code generation mechanism combined with missing rate limiting allows attackers to perform brute-force attacks on verification codes without authentication. Successful exploitation may result in account takeover via password reset or other authentication bypass methods.","status":"published","published":"2025-11-20T21:30:32Z","modified":"2025-11-21T15:31:25Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-307","CWE-1390"],"updated_at":"2026-11-02T15:04:54.759819Z"}],"nvd":[{"id":"CVE-2025-63807","description":"An issue was discovered in weijiang1994 university-bbs (aka Blogin) in commit 9e06bab430bfc729f27b4284ba7570db3b11ce84 (2025-01-13). A weak verification code generation mechanism combined with missing rate limiting allows attackers to perform brute-force attacks on verification codes without authentication. Successful exploitation may result in account takeover via password reset or other authentication bypass methods.","status":"published","published":"2025-11-20T21:16:06.617Z","modified":"2026-11-05T13:10:00.18Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"secondary"}],"cwes":["CWE-307","CWE-1390"],"updated_at":"2026-11-05T19:55:51.56159Z"}]}}