{"id":"CVE-2021-3159","aliases":["EUVD-2021-26503","GHSA-3m5r-vf35-8v65"],"status":"published","title":"A stored cross site scripting (XSS) vulnerability in the /sys/attachment/uploaderServlet...","description":"A stored cross site scripting (XSS) vulnerability in the /sys/attachment/uploaderServlet component of Landray EKP V12.0.9.R.20160325 allows attackers to execute arbitrary web scripts or HTML via a crafted SVG, SHTML, or MHT file.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0052,"percentile":0.44431,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-07-23T14:48:05Z","modified":"2026-06-17T04:04:46Z","products":[{"vendor":"landray","product":"landray_ekp"}],"references":[{"url":"https://github.com/fa1c0n1/m01e-wiki/blob/main/my-vulns/landray-ekp.md","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-3159"},{"url":"https://github.com/advisories/GHSA-3m5r-vf35-8v65"}],"sources":{"cve":[{"id":"CVE-2021-3159","description":"A stored cross site scripting (XSS) vulnerability in the /sys/attachment/uploaderServlet component of Landray EKP V12.0.9.R.20160325 allows attackers to execute arbitrary web scripts or HTML via a crafted SVG, SHTML, or MHT file.","status":"published","published":"2021-07-23T14:48:05Z","modified":"2024-08-03T16:45:51.38Z","updated_at":"2026-11-02T14:33:04.020035Z"}],"euvd":[{"id":"EUVD-2021-26503","description":"A stored cross site scripting (XSS) vulnerability in the /sys/attachment/uploaderServlet component of Landray EKP V12.0.9.R.20160325 allows attackers to execute arbitrary web scripts or HTML via a crafted SVG, SHTML, or MHT file.","status":"published","published":"2021-07-23T14:48:05Z","modified":"2024-08-03T16:45:51Z","updated_at":"2026-11-03T03:25:13.531128Z"}],"ghsa":[{"id":"GHSA-3m5r-vf35-8v65","title":"A stored cross site scripting (XSS) vulnerability in the /sys/attachment/uploaderServlet...","description":"A stored cross site scripting (XSS) vulnerability in the /sys/attachment/uploaderServlet component of Landray EKP V12.0.9.R.20160325 allows attackers to execute arbitrary web scripts or HTML via a crafted SVG, SHTML, or MHT file.","status":"published","published":"2022-05-24T19:09:04Z","modified":"2023-01-30T05:00:57Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:18.635114Z"}],"nvd":[{"id":"CVE-2021-3159","description":"A stored cross site scripting (XSS) vulnerability in the /sys/attachment/uploaderServlet component of Landray EKP V12.0.9.R.20160325 allows attackers to execute arbitrary web scripts or HTML via a crafted SVG, SHTML, or MHT file.","status":"published","published":"2021-07-23T15:15:07.563Z","modified":"2026-06-17T04:04:46.117Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:56.185362Z"}]}}