{"id":"CVE-2021-24807","aliases":["EUVD-2021-11719","GHSA-g623-mj4w-fprv"],"status":"published","title":"Support Board \u003c 3.3.5 - Agent+ Stored Cross-Site Scripting","description":"The Support Board WordPress plugin before 3.3.5 allows Authenticated (Agent+) users to perform Cross-Site Scripting attacks by placing a payload in the notes field, when an administrator or any authenticated user go to the chat the XSS will be automatically executed.","severity":{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01417,"percentile":0.73135,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2021-11-08T17:35:25Z","modified":"2026-06-17T03:40:56Z","exploits":[{"source":"pocgithub","id":"dldygnl/CVE-2021-24807","title":"dldygnl/CVE-2021-24807","date":"2021-10-07","url":"https://github.com/dldygnl/CVE-2021-24807"}],"products":[{"vendor":"schiocco","product":"support board"},{"vendor":"schiocco","product":"support_board"},{"vendor":"unknown","product":"support board"}],"references":[{"url":"https://wpscan.com/vulnerability/19d101aa-4b60-4db4-a33b-86c826b288b0","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://medium.com/%40lijohnjefferson/cve-2021-24807-6bc22af2a444","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/itsjeffersonli/CVE-2021-24807","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24807"},{"url":"https://medium.com/@lijohnjefferson/cve-2021-24807-6bc22af2a444"},{"url":"https://github.com/advisories/GHSA-g623-mj4w-fprv"}],"sources":{"cve":[{"id":"CVE-2021-24807","title":"Support Board \u003c 3.3.5 - Agent+ Stored Cross-Site Scripting","description":"The Support Board WordPress plugin before 3.3.5 allows Authenticated (Agent+) users to perform Cross-Site Scripting attacks by placing a payload in the notes field, when an administrator or any authenticated user go to the chat the XSS will be automatically executed.","status":"published","published":"2021-11-08T17:35:25Z","modified":"2024-08-03T19:42:17.186Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-11719","description":"The Support Board WordPress plugin before 3.3.5 allows Authenticated (Agent+) users to perform Cross-Site Scripting attacks by placing a payload in the notes field, when an administrator or any authenticated user go to the chat the XSS will be automatically executed.","status":"published","published":"2021-11-08T17:35:25Z","modified":"2024-08-03T19:42:17Z","updated_at":"2026-11-03T03:24:55.867627Z"}],"ghsa":[{"id":"GHSA-g623-mj4w-fprv","title":"The Support Board WordPress plugin before 3.3.5 allows Authenticated (Agent+) users to perform...","description":"The Support Board WordPress plugin before 3.3.5 allows Authenticated (Agent+) users to perform Cross-Site Scripting attacks by placing a payload in the notes field, when an administrator or any authenticated user go to the chat the XSS will be automatically executed.","status":"published","published":"2022-05-24T19:19:57Z","modified":"2023-01-30T05:03:34Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:51.868413Z"}],"nvd":[{"id":"CVE-2021-24807","description":"The Support Board WordPress plugin before 3.3.5 allows Authenticated (Agent+) users to perform Cross-Site Scripting attacks by placing a payload in the notes field, when an administrator or any authenticated user go to the chat the XSS will be automatically executed.","status":"published","published":"2021-11-08T18:15:10.077Z","modified":"2026-06-17T03:40:56.527Z","cvss":[{"version":"3.1","score":5.4,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":3.5,"vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","level":"low","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:07:00.984108Z"}]}}