{"id":"CVE-2021-24837","aliases":["EUVD-2021-11749","GHSA-mj4m-mqjg-cm54"],"status":"published","title":"Passster \u003c 3.5.5.8 - Contributor+ Stored Cross-Site Scripting","description":"The Passster WordPress plugin before 3.5.5.8 does not escape the area parameter of its shortcode, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks.","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":"2026-11-10","score":0.00404,"percentile":0.34972,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-79"],"published":"2023-01-23T14:31:59Z","modified":"2026-06-17T03:40:59Z","products":[{"vendor":"passster_project","product":"passter"},{"vendor":"unknown","product":"passster"},{"vendor":"wp chill","product":"passster"}],"references":[{"url":"https://wpscan.com/vulnerability/5fea3ac3-d599-41f3-8f76-08f0d3552af1","tags":["exploit","vdb-entry","technical-description","x_transferred","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24837"},{"url":"https://github.com/advisories/GHSA-mj4m-mqjg-cm54"}],"sources":{"cve":[{"id":"CVE-2021-24837","title":"Passster \u003c 3.5.5.8 - Contributor+ Stored Cross-Site Scripting","description":"The Passster WordPress plugin before 3.5.5.8 does not escape the area parameter of its shortcode, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks.","status":"published","published":"2023-01-23T14:31:59.842Z","modified":"2024-08-03T19:42:17.209Z","updated_at":"2026-11-02T14:33:05.331617Z"}],"euvd":[{"id":"EUVD-2021-11749","description":"The Passster WordPress plugin before 3.5.5.8 does not escape the area parameter of its shortcode, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks.","status":"published","published":"2023-01-23T14:31:59Z","modified":"2024-08-03T19:42:17Z","cvss":[{"version":"","score":0,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","level":"none"}],"updated_at":"2026-11-03T03:24:55.867627Z"}],"ghsa":[{"id":"GHSA-mj4m-mqjg-cm54","title":"The Passster WordPress plugin before 3.5.5.8 does not escape the area parameter of its shortcode,...","description":"The Passster WordPress plugin before 3.5.5.8 does not escape the area parameter of its shortcode, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks.","status":"published","published":"2023-01-23T15:30:33Z","modified":"2023-02-07T05:06:22Z","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"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:53:59.06921Z"}],"nvd":[{"id":"CVE-2021-24837","description":"The Passster WordPress plugin before 3.5.5.8 does not escape the area parameter of its shortcode, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks.","status":"published","published":"2023-01-23T15:15:13.063Z","modified":"2026-06-17T03:40:59.517Z","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"}],"updated_at":"2026-11-02T14:07:07.323379Z"}]}}