{"id":"CVE-2020-26511","url":"https://www.cyber-defence.io/tools/cve/CVE-2020-26511","generatedAt":"2026-10-27T21:21:10.383Z","title":"The wpo365-login plugin before v11.7 for WordPress allows use of a symmetric algorithm to decrypt a JWT token.","description":"The wpo365-login plugin before v11.7 for WordPress allows use of a symmetric algorithm to decrypt a JWT token. This leads to authentication bypass.","published":"2020-10-02T05:15:12.000Z","lastModified":"2026-06-17T03:08:07.000Z","status":"Modified","sourceIdentifier":"cve@mitre.org","cvss":{"version":"3.1","score":7.5,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N"},"cwe":["CWE-287"],"affected":["wpo365/wordpress \\+ azure ad \\/ microsoft office 365"],"epss":{"score":0.02146,"percentile":0.8197,"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 (2.15%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://plugins.trac.wordpress.org/changeset/2388992/","tags":["Patch","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://wordpress.org/plugins/wpo365-login/#developers","tags":["Product","Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://wpvulndb.com/vulnerabilities/10418","tags":["Third Party Advisory"],"source":"cve@mitre.org"},{"url":"https://www.wpo365.com/change-log/","tags":["Release Notes","Vendor Advisory"],"source":"cve@mitre.org"},{"url":"https://plugins.trac.wordpress.org/changeset/2388992/","tags":["Patch","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wordpress.org/plugins/wpo365-login/#developers","tags":["Product","Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://wpvulndb.com/vulnerabilities/10418","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.wpo365.com/change-log/","tags":["Release Notes","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-26511","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."}