{"id":"CVE-2026-69229","title":"There is an HTML injection vulnerability in Esri Portal for ArcGIS versions 12.0 and prior that allows a remote, authenticated attacker to insert arbitrary HTML into the Portal for ArcGIS Home application","summary":"There is an HTML injection vulnerability in Esri Portal for ArcGIS versions 12.0 and prior that allows a remote, authenticated attacker to insert arbitrary HTML into the Portal for ArcGIS Home application. Users working with ArcGIS Enter…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"esri","product":"portal_for_arcgis","affected":["portal_for_arcgis < 11.1","portal_for_arcgis = 11.1","portal_for_arcgis = 11.2","portal_for_arcgis = 11.3","portal_for_arcgis = 11.4","portal_for_arcgis = 11.5","portal_for_arcgis = 12.0"],"patched":["portal_for_arcgis 11.1"],"published":"2026-08-21","updated":"2026-09-11","sourceUpdated":"2026-09-11T17:50:09.237","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-69229","references":[{"url":"https://www.esri.com/arcgis-blog/products/arcgis-enterprise/administration/august-2026-arcgis-security-bulletin","label":"psirt@esri.com"}],"tags":["nvd"],"epss":0.00197,"epssPercentile":0.0973,"ingestedAt":"2026-09-11T18:53:56.459Z","slug":"CVE-2026-69229","body":"## Overview\n\nThere is an HTML injection vulnerability in Esri Portal for ArcGIS versions 12.0 and prior that allows a remote, authenticated attacker to insert arbitrary HTML into the Portal for ArcGIS Home application. Users working with ArcGIS Enterprise 11.1, 11.3, 11.5 and 12.0 are encouraged to patch. All users are advised to upgrade to the latest long-term support release.\n\n## Affected\n\n- `portal_for_arcgis < 11.1`\n- `portal_for_arcgis = 11.1`\n- `portal_for_arcgis = 11.2`\n- `portal_for_arcgis = 11.3`\n- `portal_for_arcgis = 11.4`\n- `portal_for_arcgis = 11.5`\n- `portal_for_arcgis = 12.0`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `portal_for_arcgis 11.1`","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}