{"id":"CVE-2021-24841","aliases":["EUVD-2021-11753","GHSA-w23j-r8pr-6978"],"status":"published","title":"Helpful \u003c 4.4.59 - Admin+ Stored Cross-Site Scripting","description":"The Helpful WordPress plugin before 4.4.59 does not sanitise and escape some of its settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed","severity":{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.00757,"percentile":0.5551,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-11-17T10:15:49Z","modified":"2026-10-24T10:30:53Z","products":[{"vendor":"helpful_project","product":"helpful"},{"vendor":"unknown","product":"helpful"}],"references":[{"url":"https://wpscan.com/vulnerability/55d11acf-8c47-40da-be47-24f74fd7566e","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://mikadmin.fr/tech/XSS-Stored-Helpful-5b10bc7f40ab319f9797eb4abad4f420660.pdf","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","evidence"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24841"},{"url":"https://github.com/advisories/GHSA-w23j-r8pr-6978"}],"sources":{"cve":[{"id":"CVE-2021-24841","title":"Helpful \u003c 4.4.59 - Admin+ Stored Cross-Site Scripting","description":"The Helpful WordPress plugin before 4.4.59 does not sanitise and escape some of its settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed","status":"published","published":"2021-11-17T10:15:49Z","modified":"2024-08-03T19:42:17.215Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.331617Z"}],"euvd":[{"id":"EUVD-2021-11753","description":"The Helpful WordPress plugin before 4.4.59 does not sanitise and escape some of its settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed","status":"published","published":"2021-11-17T10:15:49Z","modified":"2024-08-03T19:42:17Z","updated_at":"2026-11-03T03:24:55.867627Z"}],"ghsa":[{"id":"GHSA-w23j-r8pr-6978","title":"The Helpful WordPress plugin before 4.4.59 does not sanitise and escape some of its settings,...","description":"The Helpful WordPress plugin before 4.4.59 does not sanitise and escape some of its settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed","status":"published","published":"2022-05-24T19:20:43Z","modified":"2023-01-30T05:03:50Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:55.198962Z"}],"nvd":[{"id":"CVE-2021-24841","description":"The Helpful WordPress plugin before 4.4.59 does not sanitise and escape some of its settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed","status":"published","published":"2021-11-17T11:15:08.22Z","modified":"2026-06-17T03:40:59.917Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/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":"2026-11-02T14:07:01.428028Z"}],"osv":[{"id":"CVE-2021-24841","description":"The Helpful WordPress plugin before 4.4.59 does not sanitise and escape some of its settings, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed","status":"published","published":"2021-11-17T11:15:08.22Z","modified":"2026-10-24T10:30:53.062091228Z","cvss":[{"version":"3.1","score":4.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"updated_at":"2026-11-02T15:44:18.778776Z"}]}}