{"id":"CVE-2025-55127","aliases":["EUVD-2025-198344","GHSA-r3jx-6xf2-cch5"],"status":"published","title":"HackerOne community member Dao Hoang Anh (yoyomiski) has reported an improper neutralization of...","description":"HackerOne community member Dao Hoang Anh (yoyomiski) has reported an improper neutralization of whitespace in the username when adding new users. A username with leading or trailing whitespace could be virtually indistinguishable from its legitimate counterpart when the username is displayed in the UI, potentially leading to confusion.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00249,"percentile":0.16313,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-156"],"published":"2025-11-20T19:07:15Z","modified":"2026-10-28T02:31:04Z","products":[{"vendor":"aquaplatform","product":"revive_adserver"},{"vendor":"revive","product":"revive adserver"}],"references":[{"url":"https://hackerone.com/reports/3413764","tags":["Exploit","Issue Tracking","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-55127","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-r3jx-6xf2-cch5"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55127.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-55127","description":"HackerOne community member Dao Hoang Anh (yoyomiski) has reported an improper neutralization of whitespace in the username when adding new users. A username with leading or trailing whitespace could be virtually indistinguishable from its legitimate counterpart when the username is displayed in the UI, potentially leading to confusion.","status":"published","published":"2025-11-20T19:07:15.245Z","modified":"2025-11-20T21:19:26.325Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"adp"}],"cwes":["CWE-156"],"updated_at":"2026-11-02T14:32:52.839698Z"}],"euvd":[{"id":"EUVD-2025-198344","description":"HackerOne community member Dao Hoang Anh (yoyomiski) has reported an improper neutralization of whitespace in the username when adding new users. A username with leading or trailing whitespace could be virtually indistinguishable from its legitimate counterpart when the username is displayed in the UI, potentially leading to confusion.","status":"published","published":"2025-11-20T19:07:15Z","modified":"2025-11-20T21:19:26Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T19:49:14.058235Z"}],"ghsa":[{"id":"GHSA-r3jx-6xf2-cch5","title":"HackerOne community member Dao Hoang Anh (yoyomiski) has reported an improper neutralization of...","description":"HackerOne community member Dao Hoang Anh (yoyomiski) has reported an improper neutralization of whitespace in the username when adding new users. A username with leading or trailing whitespace could be virtually indistinguishable from its legitimate counterpart when the username is displayed in the UI, potentially leading to confusion.","status":"published","published":"2025-11-20T21:30:32Z","modified":"2025-11-21T00:31:27Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-156"],"updated_at":"2026-11-02T15:04:54.759819Z"}],"nvd":[{"id":"CVE-2025-55127","description":"HackerOne community member Dao Hoang Anh (yoyomiski) has reported an improper neutralization of whitespace in the username when adding new users. A username with leading or trailing whitespace could be virtually indistinguishable from its legitimate counterpart when the username is displayed in the UI, potentially leading to confusion.","status":"published","published":"2025-11-20T19:16:19.027Z","modified":"2026-06-17T09:41:18.997Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium","assessor":"secondary"}],"cwes":["CWE-156"],"updated_at":"2026-11-02T14:11:46.009629Z"}],"osv":[{"id":"CVE-2025-55127","description":"HackerOne community member Dao Hoang Anh (yoyomiski) has reported an improper neutralization of whitespace in the username when adding new users. A username with leading or trailing whitespace could be virtually indistinguishable from its legitimate counterpart when the username is displayed in the UI, potentially leading to confusion.","status":"published","published":"2025-11-20T19:07:15.245Z","modified":"2026-10-28T02:31:04.482581793Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:50.863921Z"}]}}