{"id":"CVE-2021-24275","aliases":["EUVD-2021-11189","GHSA-xh33-9j66-fv2x"],"status":"published","title":"Popup by Supsystic \u003c 1.10.5 - Reflected Cross-Site scripting (XSS)","description":"The Popup by Supsystic WordPress plugin before 1.10.5 did not sanitise the tab parameter of its options page before outputting it in an attribute, leading to a reflected Cross-Site Scripting issue","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.18165,"percentile":0.97244,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2021-05-05T18:28:48Z","modified":"2026-06-17T03:39:45Z","exploits":[{"source":"exploitdb","id":"EDB-50346","title":"WordPress Plugin Popup 1.10.4 - Reflected Cross-Site Scripting (XSS)","type":"webapps","platform":"php","date":"2021-09-28","url":"https://www.exploit-db.com/exploits/50346"},{"source":"nuclei","id":"CVE-2021-24275","title":"Popup by Supsystic \u003c1.10.5 - Cross-Site scripting","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24275.yaml"}],"products":[{"vendor":"supsystic","product":"popup"},{"vendor":"supsystic","product":"popup by supsystic"}],"references":[{"url":"https://wpscan.com/vulnerability/efdc76e0-c14a-4baf-af70-9d381107308f","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/164311/WordPress-Popup-1.10.4-Cross-Site-Scripting.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24275"},{"url":"https://github.com/advisories/GHSA-xh33-9j66-fv2x"}],"sources":{"cve":[{"id":"CVE-2021-24275","title":"Popup by Supsystic \u003c 1.10.5 - Reflected Cross-Site scripting (XSS)","description":"The Popup by Supsystic WordPress plugin before 1.10.5 did not sanitise the tab parameter of its options page before outputting it in an attribute, leading to a reflected Cross-Site Scripting issue","status":"published","published":"2021-05-05T18:28:48Z","modified":"2024-08-03T19:28:23.28Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.000797Z"}],"euvd":[{"id":"EUVD-2021-11189","description":"The Popup by Supsystic WordPress plugin before 1.10.5 did not sanitise the tab parameter of its options page before outputting it in an attribute, leading to a reflected Cross-Site Scripting issue","status":"published","published":"2021-05-05T18:28:48Z","modified":"2024-08-03T19:28:23Z","updated_at":"2026-11-03T03:24:58.504484Z"}],"ghsa":[{"id":"GHSA-xh33-9j66-fv2x","title":"The Popup by Supsystic WordPress plugin before 1.10.5 did not sanitise the tab parameter of its...","description":"The Popup by Supsystic WordPress plugin before 1.10.5 did not sanitise the tab parameter of its options page before outputting it in an attribute, leading to a reflected Cross-Site Scripting issue","status":"published","published":"2022-05-24T17:49:28Z","modified":"2023-01-29T05:06:37Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:03.953317Z"}],"nvd":[{"id":"CVE-2021-24275","description":"The Popup by Supsystic WordPress plugin before 1.10.5 did not sanitise the tab parameter of its options page before outputting it in an attribute, leading to a reflected Cross-Site Scripting issue","status":"published","published":"2021-05-05T19:15:08.623Z","modified":"2026-06-17T03:39:45.02Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:06:52.81233Z"}]}}