{"id":"CVE-2021-24245","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-24245","generatedAt":"2026-10-27T22:33:09.133Z","title":"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…","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.","published":"2021-05-06T13:15:12.000Z","lastModified":"2026-06-17T03:39:42.000Z","status":"Modified","sourceIdentifier":"contact@wpscan.com","cvss":{"version":"3.1","score":6.1,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":["trumani/stop spammers"],"epss":{"score":0.05721,"percentile":0.92983,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":1,"verified":false,"firstPublished":"2021-05-19","source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[{"edbId":49880,"kind":"exploit","title":"WordPress Plugin Stop Spammers 2021.8 - 'log' Reflected Cross-site Scripting (XSS)","url":"https://www.exploit-db.com/exploits/49880","sourceUrl":"https://gitlab.com/exploit-database/exploitdb/-/blob/main/exploits/php/webapps/49880.txt","file":"exploits/php/webapps/49880.txt","published":"2021-05-19","added":"2021-05-19","updated":"2021-05-19","author":"Hosein Vita","type":"webapps","platform":"php","port":null,"verified":false,"codes":["CVE-2021-24245"],"tags":null,"aliases":null,"applicationUrl":null,"screenshotUrl":null,"referenceUrl":null}]},"verdict":{"level":"high","text":"A public exploit is published in Exploit-DB, so the technical barrier is gone even though the severity is medium and EPSS is 5.7%. Treat it as high on anything reachable from the internet."},"changes":[],"references":[{"url":"http://packetstormsecurity.com/files/162623/WordPress-Stop-Spammers-2021.8-Cross-Site-Scripting.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"contact@wpscan.com"},{"url":"https://wpscan.com/vulnerability/5e7accd6-08dc-4c6e-9d19-73e2d7e97735","tags":["Exploit","Third Party Advisory"],"source":"contact@wpscan.com"},{"url":"http://packetstormsecurity.com/files/162623/WordPress-Stop-Spammers-2021.8-Cross-Site-Scripting.html","tags":["Exploit","Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wpscan.com/vulnerability/5e7accd6-08dc-4c6e-9d19-73e2d7e97735","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-24245","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}