{"id":"CVE-2026-0266","aliases":["EUVD-2026-36134","GHSA-3xrx-45h3-29cm"],"status":"published","title":"PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface","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.","severity":{"version":"4.0","score":1.1,"vector":"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","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.00138,"percentile":0.0322,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-06-10T20:30:04Z","modified":"2026-11-10T12:39:45Z","products":[{"vendor":"palo alto networks","product":"cloud ngfw"},{"vendor":"palo alto networks","product":"pan-os"},{"vendor":"palo alto networks","product":"prisma access"},{"vendor":"paloaltonetworks","product":"pan-os"},{"vendor":"siemens","product":"ruggedcom ape1808"}],"references":[{"url":"https://security.paloaltonetworks.com/CVE-2026-0266","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-104023.html"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-0266"},{"url":"https://github.com/advisories/GHSA-3xrx-45h3-29cm"}],"sources":{"cve":[{"id":"CVE-2026-0266","title":"PAN-OS: Stored Cross-Site Scripting (XSS) Vulnerability in the Web Interface","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.","status":"published","published":"2026-06-10T20:30:04.127Z","modified":"2026-11-10T12:39:45.571Z","cvss":[{"version":"4.0","score":1.1,"vector":"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","level":"low","assessor":"cna"},{"version":"4.0","score":0.4,"vector":"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","level":"low","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-10T13:38:44.039016Z"}],"euvd":[{"id":"EUVD-2026-36134","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.","status":"published","published":"2026-06-10T20:30:04Z","modified":"2026-11-10T12:39:45Z","cvss":[{"version":"4.0","score":1.1,"vector":"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","level":"low"}],"updated_at":"2026-11-10T14:21:11.690542Z"}],"ghsa":[{"id":"GHSA-3xrx-45h3-29cm","title":"A cross-site scripting (XSS) vulnerability in Palo Alto Networks PAN-OS® software enables a...","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.","status":"published","published":"2026-06-11T00:32:04Z","modified":"2026-07-14T15:31:59Z","cvss":[{"version":"4.0","score":1.1,"vector":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber","level":"low"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:09:27.031Z"}],"nvd":[{"id":"CVE-2026-0266","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.","status":"published","published":"2026-06-10T22:16:52.787Z","modified":"2026-07-23T09:10:00.113Z","cvss":[{"version":"4.0","score":1.1,"vector":"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber","level":"low","assessor":"secondary"},{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:23.485267Z"}]}}