{"id":"CVE-2020-27388","title":"Multiple Stored Cross Site Scripting (XSS) vulnerabilities exist in the YOURLS Admin Panel, Versions 1.5 - 1.7.10","summary":"Multiple Stored Cross Site Scripting (XSS) vulnerabilities exist in the YOURLS Admin Panel, Versions 1.5 - 1.7.10. An authenticated user must modify a PHP plugin with a malicious payload and upload it, resulting in multiple stored XSS is…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"yourls","product":"yourls","affected":["yourls >= 1.5, <= 1.7.10"],"published":"2020-10-23","updated":"2026-07-05","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2020-27388","references":[{"url":"https://github.com/YOURLS/YOURLS/pull/2761","label":"cve@mitre.org"},{"url":"https://johnjhacking.com/blog/cve-2020-27388/","label":"cve@mitre.org"},{"url":"http://yourls.com","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://github.com/YOURLS/YOURLS/pull/2761","label":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://johnjhacking.com/blog/cve-2020-27388/","label":"af854a3a-2127-422b-91ae-364da2661108"}],"tags":["nvd"],"epss":0.00715,"epssPercentile":0.5229,"ingestedAt":"2026-07-05T00:59:25.500Z","slug":"CVE-2020-27388","body":"## Overview\n\nMultiple Stored Cross Site Scripting (XSS) vulnerabilities exist in the YOURLS Admin Panel, Versions 1.5 - 1.7.10. An authenticated user must modify a PHP plugin with a malicious payload and upload it, resulting in multiple stored XSS issues.\n\n## Affected\n\n- `yourls >= 1.5, <= 1.7.10`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}