{"id":"CVE-2020-15926","aliases":["EUVD-2020-7898","GHSA-r5wc-mg37-wmg8"],"status":"published","title":"Rocket.Chat through 3.4.2 allows XSS where an attacker can send a specially crafted message to a...","description":"Rocket.Chat through 3.4.2 allows XSS where an attacker can send a specially crafted message to a channel or in a direct message to the client which results in remote code execution on the client side.","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":"2026-11-09","score":0.02825,"percentile":0.86696,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2020-08-18T20:50:27Z","modified":"2026-10-20T10:51:57Z","products":[{"vendor":"rocket.chat","product":"rocket.chat"}],"references":[{"url":"https://github.com/RocketChat/Rocket.Chat/commits/develop","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://github.com/RocketChat/Rocket.Chat/pull/18356","tags":["x_refsource_MISC","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://blog.redteam.pl/2020/08/rocket-chat-xss-rce-cve-2020-15926.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-15926"},{"url":"https://github.com/advisories/GHSA-r5wc-mg37-wmg8"}],"sources":{"cve":[{"id":"CVE-2020-15926","description":"Rocket.Chat through 3.4.2 allows XSS where an attacker can send a specially crafted message to a channel or in a direct message to the client which results in remote code execution on the client side.","status":"published","published":"2020-08-18T20:50:27Z","modified":"2024-08-04T13:30:23.159Z","updated_at":"2026-11-02T14:35:50.228781Z"}],"euvd":[{"id":"EUVD-2020-7898","description":"Rocket.Chat through 3.4.2 allows XSS where an attacker can send a specially crafted message to a channel or in a direct message to the client which results in remote code execution on the client side.","status":"published","published":"2020-08-18T20:50:27Z","modified":"2024-08-04T13:30:23Z","updated_at":"2026-11-03T03:07:29.843843Z"}],"ghsa":[{"id":"GHSA-r5wc-mg37-wmg8","title":"Rocket.Chat through 3.4.2 allows XSS where an attacker can send a specially crafted message to a...","description":"Rocket.Chat through 3.4.2 allows XSS where an attacker can send a specially crafted message to a channel or in a direct message to the client which results in remote code execution on the client side.","status":"published","published":"2022-05-24T17:26:07Z","modified":"2023-01-29T05:03:37Z","updated_at":"2026-11-02T14:45:21.37961Z"}],"nvd":[{"id":"CVE-2020-15926","description":"Rocket.Chat through 3.4.2 allows XSS where an attacker can send a specially crafted message to a channel or in a direct message to the client which results in remote code execution on the client side.","status":"published","published":"2020-08-18T21:15:12.16Z","modified":"2026-06-17T02:57:24.98Z","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":"2026-11-02T14:06:13.05572Z"}],"osv":[{"id":"CVE-2020-15926","description":"Rocket.Chat through 3.4.2 allows XSS where an attacker can send a specially crafted message to a channel or in a direct message to the client which results in remote code execution on the client side.","status":"published","published":"2020-08-18T21:15:12.16Z","modified":"2026-10-20T10:51:57.939913394Z","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":"2026-11-02T15:44:14.828228Z"}]}}