{"id":"CVE-2021-40721","aliases":["EUVD-2021-27886","GHSA-fwq9-fc5m-x5cc"],"status":"published","title":"Adobe Connect Reflected Cross Site Scripting","description":"Adobe Connect version 11.2.3 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.","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":"cna","from":"cve"},"epss":{"day":"2026-11-12","score":0.01008,"percentile":0.63521,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-10-15T14:22:31Z","modified":"2026-06-17T04:07:19Z","products":[{"vendor":"adobe","product":"connect"},{"vendor":"tanium","product":"connect"}],"references":[{"url":"https://helpx.adobe.com/security/products/connect/apsb21-91.html","tags":["x_refsource_MISC","x_transferred","Patch","Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-40721"},{"url":"https://github.com/advisories/GHSA-fwq9-fc5m-x5cc"}],"sources":{"cve":[{"id":"CVE-2021-40721","title":"Adobe Connect Reflected Cross Site Scripting","description":"Adobe Connect version 11.2.3 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.","status":"published","published":"2021-10-15T14:22:31.496Z","modified":"2025-04-23T19:24:47.843Z","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":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:01.852999Z"}],"euvd":[{"id":"EUVD-2021-27886","description":"Adobe Connect version 11.2.3 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.","status":"published","published":"2021-10-15T14:22:31Z","modified":"2025-04-23T19:24:47Z","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"}],"updated_at":"2026-11-02T20:52:06.372143Z"}],"ghsa":[{"id":"GHSA-fwq9-fc5m-x5cc","title":"Adobe Connect version 11.2.2 (and earlier) is affected by a reflected Cross-Site Scripting (XSS)...","description":"Adobe Connect version 11.2.2 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.","status":"published","published":"2022-05-24T19:17:41Z","modified":"2023-01-30T05:02:50Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:43.616467Z"}],"nvd":[{"id":"CVE-2021-40721","description":"Adobe Connect version 11.2.3 (and earlier) is affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser.","status":"published","published":"2021-10-15T15:15:08.627Z","modified":"2026-06-17T04:07:19.77Z","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":"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":"2026-11-02T14:06:59.689345Z"}]}}