{"id":"CVE-2026-23926","title":"An authenticated (non-super) administrator can create a maintenance period with a JavaScript payload that is executed by any user that opens tooltip for that maintenance period in the Host navigator widget","summary":"An authenticated (non-super) administrator can create a maintenance period with a JavaScript payload that is executed by any user that opens tooltip for that maintenance period in the Host navigator widget. This can allow the attacker to…","severity":"medium","cvss":6.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:H/I:H/A:H","cwe":["CWE-79"],"vendor":"zabbix","product":"zabbix","affected":["zabbix >= 7.0.0, < 7.0.24","zabbix >= 7.4.0, < 7.4.8"],"patched":["zabbix 7.4.8"],"published":"2026-05-06","updated":"2026-09-18","sourceUpdated":"2026-09-18T15:35:11.087","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-23926","references":[{"url":"https://support.zabbix.com/browse/ZBX-27758","label":"security@zabbix.com"}],"tags":["nvd"],"epss":0.00263,"epssPercentile":0.18402,"ingestedAt":"2026-09-18T15:44:31.550Z","slug":"CVE-2026-23926","body":"## Overview\n\nAn authenticated (non-super) administrator can create a maintenance period with a JavaScript payload that is executed by any user that opens tooltip for that maintenance period in the Host navigator widget. This can allow the attacker to perform unauthorized actions depending on which user opens the tooltip.\n\n## Affected\n\n- `zabbix >= 7.0.0, < 7.0.24`\n- `zabbix >= 7.4.0, < 7.4.8`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `zabbix 7.4.8`","depth":"sunlit","depthScore":37,"depthScoreParts":{"impact":37.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}