{"id":"CVE-2026-27787","title":"Cross-site scripting vulnerability exists in MATCHA SNS 1.3.9 and earlier","summary":"Cross-site scripting vulnerability exists in MATCHA SNS 1.3.9 and earlier. If this vulnerability is exploited, an arbitrary script may be executed on the web browser of the user who accessed the website using the product.","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"icz","product":"matcha_sns","affected":["matcha_sns <= 1.3.9"],"published":"2026-04-08","updated":"2026-07-25","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-27787","references":[{"url":"https://jvn.jp/en/jp/JVN33581068/","label":"vultures@jpcert.or.jp"},{"url":"https://oss.icz.co.jp/news/?p=1388","label":"vultures@jpcert.or.jp"}],"tags":["nvd"],"epss":0.00155,"epssPercentile":0.05048,"ingestedAt":"2026-07-25T23:05:58.776Z","slug":"CVE-2026-27787","body":"## Overview\n\nCross-site scripting vulnerability exists in MATCHA SNS 1.3.9 and earlier. If this vulnerability is exploited, an arbitrary script may be executed on the web browser of the user who accessed the website using the product.\n\n## Affected\n\n- `matcha_sns <= 1.3.9`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}