{"id":"CVE-2017-5542","aliases":["EUVD-2017-14644","GHSA-c85w-jj23-c8xm"],"status":"published","title":"Cross-site scripting (XSS) vulnerability in template/usererror.missing_extension.php in Symphony...","description":"Cross-site scripting (XSS) vulnerability in template/usererror.missing_extension.php in Symphony CMS before 2.6.10 allows remote attackers to inject arbitrary web script or HTML via the existing-folder parameter.","severity":{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.0116,"percentile":0.67329,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2017-01-20T08:39:00Z","modified":"2026-10-20T10:49:02Z","products":[{"vendor":"getsymphony","product":"symphony"}],"references":[{"url":"http://www.securityfocus.com/bid/95686","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry","advisory"]},{"url":"https://github.com/symphonycms/symphony-2/releases/tag/2.6.10","tags":["x_refsource_CONFIRM","x_transferred","Release Notes","advisory"]},{"url":"https://github.com/symphonycms/symphony-2/issues/2639","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2017-5542"},{"url":"https://github.com/advisories/GHSA-c85w-jj23-c8xm"}],"sources":{"cve":[{"id":"CVE-2017-5542","description":"Cross-site scripting (XSS) vulnerability in template/usererror.missing_extension.php in Symphony CMS before 2.6.10 allows remote attackers to inject arbitrary web script or HTML via the existing-folder parameter.","status":"published","published":"2017-01-20T08:39:00Z","modified":"2024-08-05T15:04:15.279Z","updated_at":"2026-11-02T14:33:12.599234Z"}],"euvd":[{"id":"EUVD-2017-14644","description":"Cross-site scripting (XSS) vulnerability in template/usererror.missing_extension.php in Symphony CMS before 2.6.10 allows remote attackers to inject arbitrary web script or HTML via the existing-folder parameter.","status":"published","published":"2017-01-20T08:39:00Z","modified":"2024-08-05T15:04:15Z","updated_at":"2026-11-03T02:39:15.385305Z"}],"ghsa":[{"id":"GHSA-c85w-jj23-c8xm","title":"Cross-site scripting (XSS) vulnerability in template/usererror.missing_extension.php in Symphony...","description":"Cross-site scripting (XSS) vulnerability in template/usererror.missing_extension.php in Symphony CMS before 2.6.10 allows remote attackers to inject arbitrary web script or HTML via the existing-folder parameter.","status":"published","published":"2022-05-13T01:18:07Z","modified":"2023-02-01T05:05:21Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:50:14.297796Z"}],"nvd":[{"id":"CVE-2017-5542","description":"Cross-site scripting (XSS) vulnerability in template/usererror.missing_extension.php in Symphony CMS before 2.6.10 allows remote attackers to inject arbitrary web script or HTML via the existing-folder parameter.","status":"published","published":"2017-01-20T08:59:00.517Z","modified":"2026-06-17T01:20:42.763Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:03:42.372487Z"}],"osv":[{"id":"CVE-2017-5542","description":"Cross-site scripting (XSS) vulnerability in template/usererror.missing_extension.php in Symphony CMS before 2.6.10 allows remote attackers to inject arbitrary web script or HTML via the existing-folder parameter.","status":"published","published":"2017-01-20T08:59:00.517Z","modified":"2026-10-20T10:49:02.368379003Z","cvss":[{"version":"3.0","score":6.1,"vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:06.029968Z"}]}}