{"id":"CVE-2025-66921","title":"A Cross-site scripting (XSS) vulnerability in Create/Update Item(s) Module in Open Source Point of Sale v3.4.1 allows remote attackers to inject arbitrary web script or HTML via the \"name\" parameter.","summary":"A Cross-site scripting (XSS) vulnerability in Create/Update Item(s) Module in Open Source Point of Sale v3.4.1 allows remote attackers to inject arbitrary web script or HTML via the \"name\" parameter.","severity":"high","cvss":7.2,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-20","CWE-79"],"vendor":"opensourcepos","product":"open_source_point_of_sale","affected":["open_source_point_of_sale = 3.4.1"],"published":"2025-12-17","updated":"2026-10-13","sourceUpdated":"2026-10-13T11:10:00.203","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-66921","references":[{"url":"https://github.com/omkaryepre/vulnerability-research/blob/main/CVE-2025-66921/readme.md","label":"cve@mitre.org"},{"url":"https://github.com/opensourcepos/opensourcepos","label":"cve@mitre.org"},{"url":"https://github.com/omkaryepre/vulnerability-research/blob/main/CVE-2025-66921/readme.md","label":"134c704f-9b21-4f2e-91b3-4a467353bcc0"}],"tags":["nvd"],"epss":0.00552,"epssPercentile":0.44546,"ingestedAt":"2026-10-13T11:23:51.118Z","slug":"CVE-2025-66921","body":"## Overview\n\nA Cross-site scripting (XSS) vulnerability in Create/Update Item(s) Module in Open Source Point of Sale v3.4.1 allows remote attackers to inject arbitrary web script or HTML via the \"name\" parameter.\n\n## Affected\n\n- `open_source_point_of_sale = 3.4.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":40,"depthScoreParts":{"impact":39.6,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}