{"id":"CVE-2021-21084","aliases":["EUVD-2021-8475","GHSA-8q6h-697m-5v7r"],"status":"published","title":"Adobe Experience Manager stored cross-site scripting vulnerability in resource resolver factory could lead to arbitrary code execution","description":"AEM's Cloud Service offering, as well as versions 6.5.7.0 (and below), 6.4.8.3 (and below) and 6.3.3.8 (and below) are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field.","severity":{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-10","score":0.01816,"percentile":0.78866,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-06-28T13:56:57Z","modified":"2026-06-17T03:34:47Z","products":[{"vendor":"adobe","product":"experience manager"},{"vendor":"adobe","product":"experience_manager"},{"vendor":"adobe","product":"experience_manager_cloud_service"},{"vendor":"sitecore","product":"experience manager"}],"references":[{"url":"https://helpx.adobe.com/security/products/experience-manager/apsb21-15.html","tags":["x_refsource_MISC","x_transferred","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-21084"},{"url":"https://github.com/advisories/GHSA-8q6h-697m-5v7r"}],"sources":{"cve":[{"id":"CVE-2021-21084","title":"Adobe Experience Manager stored cross-site scripting vulnerability in resource resolver factory could lead to arbitrary code execution","description":"AEM's Cloud Service offering, as well as versions 6.5.7.0 (and below), 6.4.8.3 (and below) and 6.3.3.8 (and below) are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field.","status":"published","published":"2021-06-28T13:56:57.379Z","modified":"2024-09-17T03:02:56.696Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:00.137099Z"}],"euvd":[{"id":"EUVD-2021-8475","description":"AEM's Cloud Service offering, as well as versions 6.5.7.0 (and below), 6.4.8.3 (and below) and 6.3.3.8 (and below) are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field.","status":"published","published":"2021-06-28T13:56:57Z","modified":"2024-09-17T03:02:56Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high"}],"updated_at":"2026-11-03T00:28:35.090816Z"}],"ghsa":[{"id":"GHSA-8q6h-697m-5v7r","title":"AEM's Cloud Service offering, as well as versions 6.5.7.0 (and below), 6.4.8.3 (and below) and 6...","description":"AEM's Cloud Service offering, as well as versions 6.5.7.0 (and below), 6.4.8.3 (and below) and 6.3.3.8 (and below) are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field.","status":"published","published":"2022-05-24T22:28:27Z","modified":"2023-01-30T05:05:35Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:47:18.801591Z"}],"nvd":[{"id":"CVE-2021-21084","description":"AEM's Cloud Service offering, as well as versions 6.5.7.0 (and below), 6.4.8.3 (and below) and 6.3.3.8 (and below) are affected by a stored Cross-Site Scripting (XSS) vulnerability that could be abused by an attacker to inject malicious scripts into vulnerable form fields. Malicious JavaScript may be executed in a victim’s browser when they browse to the page containing the vulnerable field.","status":"published","published":"2021-06-28T14:15:09.043Z","modified":"2026-06-17T03:34:47.933Z","cvss":[{"version":"3.1","score":7.3,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N","level":"high","assessor":"secondary"},{"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":"2026-11-02T14:06:55.259633Z"}]}}