{"id":"CVE-2025-8386","aliases":["EUVD-2025-197662","GHSA-jj42-75hx-q362"],"status":"published","title":"AVEVA Application Server IDE Basic Cross-site Scripting","description":"The vulnerability, if exploited, could allow an authenticated miscreant \n(with privilege of \"aaConfigTools\") to tamper with App Objects' help \nfiles and persist a cross-site scripting (XSS) injection that when \nexecuted by a victim user, can result in horizontal or vertical \nescalation of privileges. The vulnerability can only be exploited during\n config-time operations within the IDE component of Application Server. \nRun-time components and operations are not affected.","severity":{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:L/SC:H/SI:H/SA:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.0017,"percentile":0.06426,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-80"],"published":"2025-11-14T23:57:04Z","modified":"2026-10-07T21:10:00Z","products":[{"vendor":"aveva","product":"application server"}],"references":[{"url":"https://www.aveva.com/content/dam/aveva/documents/support/cyber-security-updates/SecurityBulletin-AVEVA-2025-005.pdf"},{"url":"https://www.cisa.gov/news-events/ics-advisories/icsa-25-317-02"},{"url":"https://github.com/cisagov/CSAF/blob/develop/csaf_files/OT/white/2025/icsa-25-317-02.json"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-8386"},{"url":"https://github.com/advisories/GHSA-jj42-75hx-q362"}],"sources":{"cve":[{"id":"CVE-2025-8386","title":"AVEVA Application Server IDE Basic Cross-site Scripting","description":"The vulnerability, if exploited, could allow an authenticated miscreant \n(with privilege of \"aaConfigTools\") to tamper with App Objects' help \nfiles and persist a cross-site scripting (XSS) injection that when \nexecuted by a victim user, can result in horizontal or vertical \nescalation of privileges. The vulnerability can only be exploited during\n config-time operations within the IDE component of Application Server. \nRun-time components and operations are not affected.","status":"published","published":"2025-11-14T23:57:04.396Z","modified":"2025-11-17T16:56:00.107Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:L/SC:H/SI:H/SA:H","level":"high","assessor":"cna"},{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:L","level":"medium","assessor":"cna"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T14:32:38.025852Z"}],"euvd":[{"id":"EUVD-2025-197662","description":"The vulnerability, if exploited, could allow an authenticated miscreant \n(with privilege of \"aaConfigTools\") to tamper with App Objects' help \nfiles and persist a cross-site scripting (XSS) injection that when \nexecuted by a victim user, can result in horizontal or vertical \nescalation of privileges. The vulnerability can only be exploited during\n config-time operations within the IDE component of Application Server. \nRun-time components and operations are not affected.","status":"published","published":"2025-11-14T23:57:04Z","modified":"2025-11-17T16:56:00Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:L/SC:H/SI:H/SA:H","level":"high"}],"updated_at":"2026-11-02T19:49:16.584357Z"}],"ghsa":[{"id":"GHSA-jj42-75hx-q362","title":"The vulnerability, if exploited, could allow an authenticated miscreant \n(with privilege of ...","description":"The vulnerability, if exploited, could allow an authenticated miscreant \n(with privilege of \"aaConfigTools\") to tamper with App Objects' help \nfiles and persist a cross-site scripting (XSS) injection that when \nexecuted by a victim user, can result in horizontal or vertical \nescalation of privileges. The vulnerability can only be exploited during\n config-time operations within the IDE component of Application Server. \nRun-time components and operations are not affected.","status":"published","published":"2025-11-15T00:30:26Z","modified":"2025-11-15T00:30:32Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:L/SC:H/SI:H/SA:H/E:X/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:X/R:X/V:X/RE:X/U:X","level":"high"},{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:L","level":"medium"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T15:04:49.095554Z"}],"nvd":[{"id":"CVE-2025-8386","description":"The vulnerability, if exploited, could allow an authenticated miscreant \n(with privilege of \"aaConfigTools\") to tamper with App Objects' help \nfiles and persist a cross-site scripting (XSS) injection that when \nexecuted by a victim user, can result in horizontal or vertical \nescalation of privileges. The vulnerability can only be exploited during\n config-time operations within the IDE component of Application Server. \nRun-time components and operations are not affected.","status":"published","published":"2025-11-15T00:15:48.29Z","modified":"2026-10-07T21:10:00.2Z","cvss":[{"version":"4.0","score":7.2,"vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:H/UI:P/VC:H/VI:L/VA:L/SC:H/SI:H/SA:H/E:X/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:X/R:X/V:X/RE:X/U:X","level":"high","assessor":"secondary"},{"version":"3.1","score":6.9,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:L","level":"medium","assessor":"secondary"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T14:11:44.669367Z"}]}}