{"id":"CVE-2021-4017","url":"https://www.cyber-defence.io/tools/cve/CVE-2021-4017","generatedAt":"2026-10-27T17:45:28.734Z","title":"showdoc is vulnerable to Cross-Site Request Forgery (CSRF)","description":"showdoc is vulnerable to Cross-Site Request Forgery (CSRF)","published":"2021-12-01T11:15:08.000Z","lastModified":"2026-06-17T04:18:54.000Z","status":"Modified","sourceIdentifier":"security@huntr.dev","cvss":{"version":"3.1","score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"},"cwe":["CWE-352"],"affected":["showdoc/showdoc"],"epss":{"score":0.00616,"percentile":0.49208,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.62%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://github.com/star7th/showdoc/commit/654e871a3923e79076818a9a03533fe88222c871","tags":["Patch","Third Party Advisory"],"source":"security@huntr.dev"},{"url":"https://huntr.dev/bounties/1d8439e8-b3f7-40f8-8b30-f9cb05ff2bcd","tags":["Exploit","Patch","Third Party Advisory"],"source":"security@huntr.dev"},{"url":"https://github.com/star7th/showdoc/commit/654e871a3923e79076818a9a03533fe88222c871","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://huntr.dev/bounties/1d8439e8-b3f7-40f8-8b30-f9cb05ff2bcd","tags":["Exploit","Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-4017","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."}