{"id":"CVE-2021-38710","aliases":["EUVD-2021-25148","GHSA-4qj7-wcgp-pm8p"],"status":"published","title":"Static (Persistent) XSS Vulnerability exists in version 4.3.0 of Yclas when using the install...","description":"Static (Persistent) XSS Vulnerability exists in version 4.3.0 of Yclas when using the install/view/form.php script. An attacker can store XSS in the database through the vulnerable SITE_NAME parameter.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00636,"percentile":0.50817,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-08-18T14:41:18Z","modified":"2026-06-17T04:02:38Z","products":[{"vendor":"yclas","product":"yclas"}],"references":[{"url":"https://github.com/security-n/CVE-2021-38710","tags":["x_refsource_MISC","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-38710"},{"url":"https://github.com/advisories/GHSA-4qj7-wcgp-pm8p"}],"sources":{"cve":[{"id":"CVE-2021-38710","description":"Static (Persistent) XSS Vulnerability exists in version 4.3.0 of Yclas when using the install/view/form.php script. An attacker can store XSS in the database through the vulnerable SITE_NAME parameter.","status":"published","published":"2021-08-18T14:41:18Z","modified":"2024-08-04T01:51:19.96Z","updated_at":"2026-11-02T14:33:07.349244Z"}],"euvd":[{"id":"EUVD-2021-25148","description":"Static (Persistent) XSS Vulnerability exists in version 4.3.0 of Yclas when using the install/view/form.php script. An attacker can store XSS in the database through the vulnerable SITE_NAME parameter.","status":"published","published":"2021-08-18T14:41:18Z","modified":"2024-08-04T01:51:19Z","updated_at":"2026-11-03T03:24:24.305495Z"}],"ghsa":[{"id":"GHSA-4qj7-wcgp-pm8p","title":"Static (Persistent) XSS Vulnerability exists in version 4.3.0 of Yclas when using the install...","description":"Static (Persistent) XSS Vulnerability exists in version 4.3.0 of Yclas when using the install/view/form.php script. An attacker can store XSS in the database through the vulnerable SITE_NAME parameter.","status":"published","published":"2022-05-24T19:11:31Z","modified":"2023-01-30T05:01:33Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:25.989719Z"}],"nvd":[{"id":"CVE-2021-38710","description":"Static (Persistent) XSS Vulnerability exists in version 4.3.0 of Yclas when using the install/view/form.php script. An attacker can store XSS in the database through the vulnerable SITE_NAME parameter.","status":"published","published":"2021-08-18T15:15:08.36Z","modified":"2026-06-17T04:02:38.233Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/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":"2026-11-02T14:06:57.318236Z"}]}}