{"id":"CVE-2021-24440","aliases":["EUVD-2021-11352","GHSA-q7cx-mv5x-6h53"],"status":"published","title":"Sign-up Sheets \u003c 1.0.14 - Authenticated Stored Cross-Site Scripting (XSS)","description":"The Sign-up Sheets WordPress plugin before 1.0.14 did not sanitise or escape some of its fields when creating a new sheet, allowing high privilege users to add JavaScript in them, leading to a Stored Cross-Site Scripting issue. The payloads will be triggered when viewing the 'All Sheets' page in the admin dashboard","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":"2026-11-12","score":0.00617,"percentile":0.50102,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-07-12T19:21:02Z","modified":"2026-06-17T03:40:01Z","products":[{"vendor":"fetch designs","product":"sign-up sheets"},{"vendor":"fetchdesigns","product":"sign-up_sheets"},{"vendor":"unknown","product":"sign-up sheets"}],"references":[{"url":"https://wpscan.com/vulnerability/ba4503f7-684e-4274-bc53-3aa848712496","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24440"},{"url":"https://github.com/advisories/GHSA-q7cx-mv5x-6h53"}],"sources":{"cve":[{"id":"CVE-2021-24440","title":"Sign-up Sheets \u003c 1.0.14 - Authenticated Stored Cross-Site Scripting (XSS)","description":"The Sign-up Sheets WordPress plugin before 1.0.14 did not sanitise or escape some of its fields when creating a new sheet, allowing high privilege users to add JavaScript in them, leading to a Stored Cross-Site Scripting issue. The payloads will be triggered when viewing the 'All Sheets' page in the admin dashboard","status":"published","published":"2021-07-12T19:21:02Z","modified":"2024-08-03T19:28:24.002Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.331617Z"}],"euvd":[{"id":"EUVD-2021-11352","description":"The Sign-up Sheets WordPress plugin before 1.0.14 did not sanitise or escape some of its fields when creating a new sheet, allowing high privilege users to add JavaScript in them, leading to a Stored Cross-Site Scripting issue. The payloads will be triggered when viewing the 'All Sheets' page in the admin dashboard","status":"published","published":"2021-07-12T19:21:02Z","modified":"2024-08-03T19:28:24Z","updated_at":"2026-11-03T03:24:57.403647Z"}],"ghsa":[{"id":"GHSA-q7cx-mv5x-6h53","title":"The Sign-up Sheets WordPress plugin before 1.0.14 did not sanitise or escape some of its fields...","description":"The Sign-up Sheets WordPress plugin before 1.0.14 did not sanitise or escape some of its fields when creating a new sheet, allowing high privilege users to add JavaScript in them, leading to a Stored Cross-Site Scripting issue. The payloads will be triggered when viewing the 'All Sheets' page in the admin dashboard","status":"published","published":"2022-05-24T19:07:26Z","modified":"2023-01-30T05:00:40Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:14.926249Z"}],"nvd":[{"id":"CVE-2021-24440","description":"The Sign-up Sheets WordPress plugin before 1.0.14 did not sanitise or escape some of its fields when creating a new sheet, allowing high privilege users to add JavaScript in them, leading to a Stored Cross-Site Scripting issue. The payloads will be triggered when viewing the 'All Sheets' page in the admin dashboard","status":"published","published":"2021-07-12T20:15:09.633Z","modified":"2026-06-17T03:40:01.89Z","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":"2026-11-02T14:06:55.747384Z"}]}}