{"id":"CVE-2026-21331","aliases":["EUVD-2026-22657","GHSA-vhf9-597v-53mq"],"status":"published","title":"Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)","description":"Adobe Connect versions 2025.3, 12.10 and earlier are 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. Scope is changed.","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":"2026-11-11","score":0.00291,"percentile":0.21967,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2026-04-14T17:33:48Z","modified":"2026-10-26T21:10:00Z","products":[{"vendor":"adobe","product":"adobe connect"},{"vendor":"adobe","product":"adobe connect desktop application"},{"vendor":"adobe","product":"connect"},{"vendor":"adobe","product":"connect_desktop_application"}],"references":[{"url":"https://helpx.adobe.com/security/products/connect/apsb26-37.html","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-21331"},{"url":"https://github.com/advisories/GHSA-vhf9-597v-53mq"}],"sources":{"cve":[{"id":"CVE-2026-21331","title":"Adobe Connect | Cross-site Scripting (Reflected XSS) (CWE-79)","description":"Adobe Connect versions 2025.3, 12.10 and earlier are 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. Scope is changed.","status":"published","published":"2026-04-14T17:33:48.648Z","modified":"2026-08-27T22:15:55.812Z","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":"2026-11-02T13:41:42.05254Z"}],"euvd":[{"id":"EUVD-2026-22657","description":"Adobe Connect versions 2025.3, 12.10 and earlier are 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. Scope is changed.","status":"published","published":"2026-04-14T17:33:48Z","modified":"2026-08-27T22:15:55Z","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":"2026-11-02T18:01:25.529914Z"}],"ghsa":[{"id":"GHSA-vhf9-597v-53mq","title":"Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting...","description":"Adobe Connect versions 2025.3, 12.10 and earlier are 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. Scope is changed.","status":"published","published":"2026-04-14T18:30:36Z","modified":"2026-04-14T18:30:41Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:07:29.002055Z"}],"nvd":[{"id":"CVE-2026-21331","description":"Adobe Connect versions 2025.3, 12.10 and earlier are 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. Scope is changed.","status":"published","published":"2026-04-14T18:16:43.953Z","modified":"2026-10-26T21:10:00.17Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:14.37744Z"}]}}