{"id":"CVE-2021-24533","aliases":["EUVD-2021-11445","GHSA-w4v9-jmhm-6jw4"],"status":"published","title":"Maintenance \u003c 4.03 - Authenticated Stored XSS","description":"The Maintenance WordPress plugin before 4.03 does not sanitise or escape some of its settings, allowing high privilege users such as admin to se Cross-Site Scripting payload in them (even when the unfiltered_html capability is disallowed), which will be triggered in the frontend","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":0.00617,"percentile":0.49928,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2021-08-23T11:10:01Z","modified":"2026-06-17T03:40:11Z","products":[{"vendor":"unknown","product":"maintenance"},{"vendor":"webfactoryltd","product":"maintenance"}],"references":[{"url":"https://wpscan.com/vulnerability/174b2119-b806-4da4-a23d-c19b552c86cb","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24533"},{"url":"https://github.com/advisories/GHSA-w4v9-jmhm-6jw4"}],"sources":{"cve":[{"id":"CVE-2021-24533","title":"Maintenance \u003c 4.03 - Authenticated Stored XSS","description":"The Maintenance WordPress plugin before 4.03 does not sanitise or escape some of its settings, allowing high privilege users such as admin to se Cross-Site Scripting payload in them (even when the unfiltered_html capability is disallowed), which will be triggered in the frontend","status":"published","published":"2021-08-23T11:10:01Z","modified":"2024-08-03T19:35:19.939Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-11445","description":"The Maintenance WordPress plugin before 4.03 does not sanitise or escape some of its settings, allowing high privilege users such as admin to se Cross-Site Scripting payload in them (even when the unfiltered_html capability is disallowed), which will be triggered in the frontend","status":"published","published":"2021-08-23T11:10:01Z","modified":"2024-08-03T19:35:19Z","updated_at":"2026-11-03T03:24:57.403647Z"}],"ghsa":[{"id":"GHSA-w4v9-jmhm-6jw4","title":"The Maintenance WordPress plugin before 4.03 does not sanitise or escape some of its settings,...","description":"The Maintenance WordPress plugin before 4.03 does not sanitise or escape some of its settings, allowing high privilege users such as admin to se Cross-Site Scripting payload in them (even when the unfiltered_html capability is disallowed), which will be triggered in the frontend","status":"published","published":"2022-05-24T19:11:56Z","modified":"2023-01-30T05:01:36Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:26.905827Z"}],"nvd":[{"id":"CVE-2021-24533","description":"The Maintenance WordPress plugin before 4.03 does not sanitise or escape some of its settings, allowing high privilege users such as admin to se Cross-Site Scripting payload in them (even when the unfiltered_html capability is disallowed), which will be triggered in the frontend","status":"published","published":"2021-08-23T12:15:09.463Z","modified":"2026-06-17T03:40:11.637Z","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":"2026-11-02T14:06:57.318236Z"}]}}