{"id":"CVE-2025-57883","title":"Reflected cross-site scripting vulnerability exists in GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2","summary":"Reflected cross-site scripting vulnerability exists in GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2. If a user accesses a crafted page or URL, an arbitrary s…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"groupsession","product":"groupsession","affected":["groupsession < 5.3.0","groupsession < 5.3.2","groupsession < 5.3.3"],"patched":["groupsession 5.3.3"],"published":"2025-12-12","updated":"2026-09-30","sourceUpdated":"2026-09-30T23:10:00.237","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2025-57883","references":[{"url":"https://groupsession.jp/info/info-news/security20251208","label":"vultures@jpcert.or.jp"},{"url":"https://jvn.jp/en/jp/JVN19940619/","label":"vultures@jpcert.or.jp"}],"tags":["nvd"],"epss":0.00188,"epssPercentile":0.07561,"ingestedAt":"2026-09-30T23:29:32.487Z","slug":"CVE-2025-57883","body":"## Overview\n\nReflected cross-site scripting vulnerability exists in GroupSession Free edition prior to ver5.3.0, GroupSession byCloud prior to ver5.3.3, and GroupSession ZION prior to ver5.3.2. If a user accesses a crafted page or URL, an arbitrary script may be executed on the web browser of the user.\n\n## Affected\n\n- `groupsession < 5.3.0`\n- `groupsession < 5.3.2`\n- `groupsession < 5.3.3`\n\n## Remediation\n\nUpgrade past the affected range:\n\n- `groupsession 5.3.3`","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}