{"document":{"category":"csaf_vex","csaf_version":"2.1","notes":[{"category":"summary","text":"Palo Alto Networks PSIRT provided VEX document. This document is autogenerated.","title":"PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface"}],"publisher":{"category":"vendor","name":"Palo Alto Networks","namespace":"https://security.paloaltonetworks.com"},"title":"Palo Alto Networks PSIRT provided VEX document: CVE-2026-0266","distribution":{"text":"Copyright © 2024 Palo Alto Networks. All rights reserved.","tlp":{"label":"CLEAR","url":"https://www.first.org/tlp/"}},"tracking":{"current_release_date":"2026-06-11T01:00:31.591Z","generator":{"date":"2026-06-11T01:00:31.591Z","engine":{"name":"Vulnogram","version":"0.1.0-dev"}},"id":"CVE-2026-0266","initial_release_date":"2026-06-10T16:00:00.000Z","revision_history":[{"number":"1","date":"2026-06-10T09:00:00.000Z","summary":"Initial publication."}],"status":"final","version":"1"}},"product_tree":{"branches":[{"name":"Palo Alto Networks","category":"vendor","branches":[{"name":"Cloud NGFW","category":"product_name","branches":[{"category":"product_version","name":"Cloud NGFW All","product":{"name":"Palo Alto Networks Cloud NGFW","product_id":"PANW-Cloud-NGFW-1"}}]},{"name":"PAN-OS","category":"product_name","branches":[{"category":"product_version_range","name":"vers:generic/PAN-OS<12.1.5","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-826"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=12.1.5","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-826"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<11.2.11","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-827"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.2.11","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-827"}},{"category":"product_version_range","name":"vers:generic/PAN-OS<11.1.14","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-828"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=11.1.14","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-828"}},{"category":"product_version_range","name":"vers:generic/PAN-OS>=10.2.0","product":{"name":"Palo Alto Networks PAN-OS","product_id":"PANW-PAN-OS-579"}}]},{"name":"Prisma Access","category":"product_name","branches":[{"category":"product_version","name":"Prisma Access All","product":{"name":"Palo Alto Networks Prisma Access","product_id":"PANW-Prisma-Access-1"}}]}]}]},"vulnerabilities":[{"cve":"CVE-2026-0266","product_status":{"fixed":["PANW-PAN-OS-826","PANW-PAN-OS-827","PANW-PAN-OS-828"],"known_affected":["PANW-PAN-OS-826","PANW-PAN-OS-827","PANW-PAN-OS-828","PANW-PAN-OS-579"],"known_not_affected":["PANW-Cloud-NGFW-1","PANW-Prisma-Access-1"]},"notes":[{"category":"description","text":"A cross-site scripting (XSS) vulnerability in Palo Alto Networks PAN-OS® software enables a malicious authenticated administrator to store a JavaScript payload using the web interface.\n\nThis issue is applicable to PAN-OS software on PA-Series and VM-Series firewalls and on Panorama (virtual and M-Series).\n\nCloud NGFW and Prisma® Access are not affected by this vulnerability."}],"references":[{"category":"external","summary":"NVD - CVE-2026-0266","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0266"},{"category":"self","summary":"Palo Alto Networks Security Advisory CVE-2026-0266","url":"https://security.paloaltonetworks.com/CVE-2026-0266"}],"threats":[{"category":"impact","description":"A cross-site scripting (XSS) vulnerability in Palo Alto Networks PAN-OS® software enables a malicious authenticated administrator to store a JavaScript payload using the web interface.\n\nThis issue is applicable to PAN-OS software on PA-Series and VM-Series firewalls and on Panorama (virtual and M-Series).\n\nCloud NGFW and Prisma® Access are not affected by this vulnerability."}],"scores":[{"cvss_v4":{"version":"4.0","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER","exploitMaturity":"UNREPORTED","baseSeverity":"MEDIUM","baseScore":4.8,"threatSeverity":"LOW","threatScore":1.1,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber"},"products":["PANW-PAN-OS-826","PANW-PAN-OS-827","PANW-PAN-OS-828","PANW-PAN-OS-579"]},{"cvss_v4":{"version":"4.0","attackVector":"LOCAL","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"HIGH","userInteraction":"PASSIVE","vulnConfidentialityImpact":"NONE","subConfidentialityImpact":"NONE","vulnIntegrityImpact":"LOW","subIntegrityImpact":"NONE","vulnAvailabilityImpact":"NONE","subAvailabilityImpact":"NONE","Safety":"NOT_DEFINED","Automatable":"NO","Recovery":"USER","valueDensity":"DIFFUSE","vulnerabilityResponseEffort":"MODERATE","providerUrgency":"AMBER","exploitMaturity":"UNREPORTED","baseSeverity":"LOW","baseScore":2.4,"threatSeverity":"LOW","threatScore":0.4,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber"},"products":["PANW-PAN-OS-826","PANW-PAN-OS-827","PANW-PAN-OS-828","PANW-PAN-OS-579"]}]}]}