{"id":"CVE-2025-52666","title":"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.","summary":"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":"low","cvss":2.7,"cvssVector":"CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:L","cwe":["CWE-134"],"vendor":"revive-adserver","product":"revive_adserver","affected":["revive_adserver <= 5.5.2","revive_adserver >= 6.0.0, <= 6.0.1"],"published":"2025-11-20","updated":"2026-09-26","sourceUpdated":"2026-09-26T00:10:00.127","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-52666","references":[{"url":"https://hackerone.com/reports/3399218","label":"support@hackerone.com"},{"url":"https://hackerone.com/reports/3399218","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00422,"epssPercentile":0.33923,"ingestedAt":"2026-09-26T00:22:39.978Z","slug":"CVE-2025-52666","body":"## Overview\n\nImproper 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.\n\n## Affected\n\n- `revive_adserver <= 5.5.2`\n- `revive_adserver >= 6.0.0, <= 6.0.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":15,"depthScoreParts":{"impact":14.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}