{"id":"CVE-2021-24245","aliases":["EUVD-2021-11159","GHSA-7vc8-gc65-8vpf"],"status":"published","title":"Stop Spammers \u003c 2021.9 - Reflected Cross-Site Scripting (XSS)","description":"The Stop Spammers WordPress plugin before 2021.9 did not escape user input when blocking requests (such as matching a spam word), outputting it in an attribute after sanitising it to remove HTML tags, which is not sufficient and lead 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":"2026-11-11","score":0.05721,"percentile":0.93134,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2021-05-05T18:39:42Z","modified":"2026-06-17T03:39:41Z","exploits":[{"source":"exploitdb","id":"EDB-49880","title":"WordPress Plugin Stop Spammers 2021.8 - 'log' Reflected Cross-site Scripting (XSS)","type":"webapps","platform":"php","date":"2021-05-19","url":"https://www.exploit-db.com/exploits/49880"},{"source":"nuclei","id":"CVE-2021-24245","title":"WordPress Stop Spammers \u003c2021.9 - Cross-Site Scripting","type":"detection template","url":"https://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2021/CVE-2021-24245.yaml"}],"products":[{"vendor":"trumani","product":"stop spammers"},{"vendor":"trumani","product":"stop_spammers"}],"references":[{"url":"https://wpscan.com/vulnerability/5e7accd6-08dc-4c6e-9d19-73e2d7e97735","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Third Party Advisory"]},{"url":"http://packetstormsecurity.com/files/162623/WordPress-Stop-Spammers-2021.8-Cross-Site-Scripting.html","tags":["x_refsource_MISC","x_transferred","Exploit","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-24245"},{"url":"https://github.com/advisories/GHSA-7vc8-gc65-8vpf"}],"sources":{"cve":[{"id":"CVE-2021-24245","title":"Stop Spammers \u003c 2021.9 - Reflected Cross-Site Scripting (XSS)","description":"The Stop Spammers WordPress plugin before 2021.9 did not escape user input when blocking requests (such as matching a spam word), outputting it in an attribute after sanitising it to remove HTML tags, which is not sufficient and lead to a reflected Cross-Site Scripting issue.","status":"published","published":"2021-05-05T18:39:42Z","modified":"2024-08-03T19:21:18.707Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:33:05.331617Z"}],"euvd":[{"id":"EUVD-2021-11159","description":"The Stop Spammers WordPress plugin before 2021.9 did not escape user input when blocking requests (such as matching a spam word), outputting it in an attribute after sanitising it to remove HTML tags, which is not sufficient and lead to a reflected Cross-Site Scripting issue.","status":"published","published":"2021-05-05T18:39:42Z","modified":"2024-08-03T19:21:18Z","updated_at":"2026-11-03T03:24:58.504484Z"}],"ghsa":[{"id":"GHSA-7vc8-gc65-8vpf","title":"The Stop Spammers WordPress plugin before 2021.9 did not escape user input when blocking requests...","description":"The Stop Spammers WordPress plugin before 2021.9 did not escape user input when blocking requests (such as matching a spam word), outputting it in an attribute after sanitising it to remove HTML tags, which is not sufficient and lead to a reflected Cross-Site Scripting issue.","status":"published","published":"2022-05-24T19:01:33Z","modified":"2023-01-29T05:07:32Z","cwes":["CWE-79"],"updated_at":"2026-11-02T14:46:10.663769Z"}],"nvd":[{"id":"CVE-2021-24245","description":"The Stop Spammers WordPress plugin before 2021.9 did not escape user input when blocking requests (such as matching a spam word), outputting it in an attribute after sanitising it to remove HTML tags, which is not sufficient and lead to a reflected Cross-Site Scripting issue.","status":"published","published":"2021-05-06T13:15:11.53Z","modified":"2026-06-17T03:39:41.85Z","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"}]}}