{"id":"CVE-2022-4120","url":"https://www.cyber-defence.io/tools/cve/CVE-2022-4120","generatedAt":"2026-11-04T23:49:54.093Z","title":"The Stop Spammers Security | Block Spam Users, Comments, Forms WordPress plugin before 2022.6 passes base64 encoded user input to the unserialize() PHP function when CAPTCHA are used as second challenge, which could lead to PHP Object injection if a…","description":"The Stop Spammers Security | Block Spam Users, Comments, Forms WordPress plugin before 2022.6 passes base64 encoded user input to the unserialize() PHP function when CAPTCHA are used as second challenge, which could lead to PHP Object injection if a plugin installed on the blog has a suitable gadget chain","published":"2022-12-26T13:15:12.000Z","lastModified":"2026-06-17T05:20:00.000Z","status":"Modified","sourceIdentifier":"contact@wpscan.com","cvss":{"version":"3.1","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":[],"affected":["trumani/stop spammers"],"epss":{"score":0.18121,"percentile":0.97204,"date":"2026-11-03","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 18.1%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://wpscan.com/vulnerability/e8bb79db-ef77-43be-b449-4c4b5310eedf","tags":["Exploit","Third Party Advisory"],"source":"contact@wpscan.com"},{"url":"https://wpscan.com/vulnerability/e8bb79db-ef77-43be-b449-4c4b5310eedf","tags":["Exploit","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-4120","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."}