{"id":"CVE-2025-52666","aliases":["EUVD-2025-198351","GHSA-78v8-2mcw-xgcf"],"status":"published","title":"Improper neutralisation of format characters in the settings of Revive Adserver 5.5.2 and 6.0.1...","description":"Improper neutralisation of format characters in the settings of Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes an administrator user to disable the admin user console due to a fatal PHP error.","severity":{"version":"3.0","score":2.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00458,"percentile":0.40184,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-134"],"published":"2025-11-20T19:10:15Z","modified":"2026-10-28T02:30:31Z","products":[{"vendor":"revive","product":"revive adserver"},{"vendor":"revive-adserver","product":"revive_adserver"}],"references":[{"url":"https://hackerone.com/reports/3399218","tags":["exploit","Exploit","Issue Tracking","Third Party Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-52666","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-78v8-2mcw-xgcf"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/52xxx/CVE-2025-52666.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2025-52666","description":"Improper neutralisation of format characters in the settings of Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes an administrator user to disable the admin user console due to a fatal PHP error.","status":"published","published":"2025-11-20T19:10:15.725Z","modified":"2025-11-20T21:42:35.261Z","cvss":[{"version":"3.0","score":2.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"cna"}],"cwes":["CWE-134"],"updated_at":"2026-11-02T14:32:31.309974Z"}],"euvd":[{"id":"EUVD-2025-198351","description":"Improper neutralisation of format characters in the settings of Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes an administrator user to disable the admin user console due to a fatal PHP error.","status":"published","published":"2025-11-20T19:10:15Z","modified":"2025-11-20T21:42:35Z","cvss":[{"version":"3.0","score":2.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T19:49:14.058235Z"}],"ghsa":[{"id":"GHSA-78v8-2mcw-xgcf","title":"Improper neutralisation of format characters in the settings of Revive Adserver 5.5.2 and 6.0.1...","description":"Improper neutralisation of format characters in the settings of Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes an administrator user to disable the admin user console due to a fatal PHP error.","status":"published","published":"2025-11-20T21:30:32Z","modified":"2025-11-21T00:30:23Z","cvss":[{"version":"3.0","score":2.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"cwes":["CWE-134"],"updated_at":"2026-11-02T15:04:54.23412Z"}],"nvd":[{"id":"CVE-2025-52666","description":"Improper neutralisation of format characters in the settings of Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes an administrator user to disable the admin user console due to a fatal PHP error.","status":"published","published":"2025-11-20T20:16:22.687Z","modified":"2026-09-26T00:10:00.127Z","cvss":[{"version":"3.0","score":2.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low","assessor":"secondary"}],"cwes":["CWE-134"],"updated_at":"2026-11-02T14:11:46.009629Z"}],"osv":[{"id":"CVE-2025-52666","description":"Improper neutralisation of format characters in the settings of Revive Adserver 5.5.2 and 6.0.1 and earlier versions causes an administrator user to disable the admin user console due to a fatal PHP error.","status":"published","published":"2025-11-20T19:10:15.725Z","modified":"2026-10-28T02:30:31.278892095Z","cvss":[{"version":"3.0","score":2.7,"vector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","level":"low"}],"updated_at":"2026-11-02T15:44:50.45326Z"}]}}