{"id":"CVE-2020-37255","title":"WordPress Time Capsule Plugin 1.21.16 contains an authentication bypass vulnerability that allows unauthenticated attackers to gain administrative access by sending a crafted POST request with the IWP_JSON_PREFIX header","summary":"WordPress Time Capsule Plugin 1.21.16 contains an authentication bypass vulnerability that allows unauthenticated attackers to gain administrative access by sending a crafted POST request with the IWP_JSON_PREFIX header. Attackers can ex…","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","cwe":["CWE-288"],"published":"2026-06-20","updated":"2026-09-29","sourceUpdated":"2026-09-29T09:10:00.157","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-37255","references":[{"url":"https://wptimecapsule.com/","label":"disclosure@vulncheck.com"},{"url":"https://www.exploit-db.com/exploits/47941","label":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/wordpress-time-capsule-plugin-authentication-bypass","label":"disclosure@vulncheck.com"}],"tags":["nvd"],"epss":0.00629,"epssPercentile":0.48032,"ingestedAt":"2026-09-29T09:30:49.077Z","slug":"CVE-2020-37255","body":"## Overview\n\nWordPress Time Capsule Plugin 1.21.16 contains an authentication bypass vulnerability that allows unauthenticated attackers to gain administrative access by sending a crafted POST request with the IWP_JSON_PREFIX header. Attackers can exploit this flaw to obtain valid administrator session cookies and access the WordPress dashboard without providing credentials.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}