{"api_version":"1","generated_at":"2026-07-23T22:42:57+00:00","cve":"CVE-2020-27388","urls":{"html":"https://cve.report/CVE-2020-27388","api":"https://cve.report/api/cve/CVE-2020-27388.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2020-27388","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2020-27388"},"summary":{"title":"CVE-2020-27388","description":"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 issues.","state":"PUBLISHED","assigner":"mitre","published_at":"2020-10-23 20:15:12","updated_at":"2026-07-05 00:16:56"},"problem_types":["CWE-79","n/a"],"metrics":[{"version":"3.1","source":"nvd@nist.gov","type":"Primary","score":"5.4","severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","data":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"}},{"version":"2.0","source":"nvd@nist.gov","type":"Primary","score":"3.5","severity":"","vector":"AV:N/AC:M/Au:S/C:N/I:P/A:N","data":{"version":"2.0","vectorString":"AV:N/AC:M/Au:S/C:N/I:P/A:N","baseScore":3.5,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"}}],"references":[{"url":"https://johnjhacking.com/blog/cve-2020-27388/","name":"https://johnjhacking.com/blog/cve-2020-27388/","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"title":"John J Hacking","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/YOURLS/YOURLS/pull/2761","name":"https://github.com/YOURLS/YOURLS/pull/2761","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Third Party Advisory"],"title":"Sanitize plugin file header before display by ozh · Pull Request #2761 · YOURLS/YOURLS · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"http://yourls.com","name":"http://yourls.com","refsource":"af854a3a-2127-422b-91ae-364da2661108","tags":["Product"],"title":"start.me - Boost your Productivity with a Personalized Startpage","mime":"text/html","httpstatus":"200","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2020-27388","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27388","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"n/a","product":"n/a","version":"affected n/a","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2020","cve_id":"27388","vulnerable":"1","versionEndIncluding":"1.7.10","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"yourls","cpe5":"yourls","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":{"cve_year":"2020","cve_id":"27388","cve":"CVE-2020-27388","epss":"0.007540000","percentile":"0.505820000","score_date":"2026-07-05","updated_at":"2026-07-06 00:01:18"},"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"providerMetadata":{"dateUpdated":"2024-08-04T16:11:36.667Z","orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE"},"references":[{"tags":["x_refsource_MISC","x_transferred"],"url":"http://yourls.com"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://johnjhacking.com/blog/cve-2020-27388/"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/YOURLS/YOURLS/pull/2761"}],"title":"CVE Program Container"}],"cna":{"affected":[{"product":"n/a","vendor":"n/a","versions":[{"status":"affected","version":"n/a"}]}],"descriptions":[{"lang":"en","value":"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 issues."}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"dateUpdated":"2026-07-04T23:54:08.874Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","shortName":"mitre"},"references":[{"url":"https://johnjhacking.com/blog/cve-2020-27388/"},{"url":"https://github.com/YOURLS/YOURLS/pull/2761"}],"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2020-27388","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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 issues."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"http://yourls.com","refsource":"MISC","url":"http://yourls.com"},{"name":"https://johnjhacking.com/blog/cve-2020-27388/","refsource":"MISC","url":"https://johnjhacking.com/blog/cve-2020-27388/"},{"name":"https://github.com/YOURLS/YOURLS/pull/2761","refsource":"MISC","url":"https://github.com/YOURLS/YOURLS/pull/2761"}]}}}},"cveMetadata":{"assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","assignerShortName":"mitre","cveId":"CVE-2020-27388","datePublished":"2020-10-23T19:59:37.000Z","dateReserved":"2020-10-21T00:00:00.000Z","dateUpdated":"2026-07-04T23:54:08.874Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2020-10-23 20:15:12","lastModifiedDate":"2026-07-05 00:16:56","problem_types":["CWE-79","n/a"],"metrics":{"cvssMetricV31":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","baseScore":5.4,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"LOW","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.3,"impactScore":2.7}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:S/C:N/I:P/A:N","baseScore":3.5,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"SINGLE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"LOW","exploitabilityScore":6.8,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:yourls:yourls:*:*:*:*:*:*:*:*","versionStartIncluding":"1.5","versionEndIncluding":"1.7.10","matchCriteriaId":"9EBCCB20-9598-4865-A9AD-4DEA084DBCF9"}]}]}]},"legacy_mitre":{"record":{"CveYear":"2020","CveId":"27388","Ordinal":"1","Title":"CVE-2020-27388","CVE":"CVE-2020-27388","Year":"2020"},"notes":[{"CveYear":"2020","CveId":"27388","Ordinal":"1","NoteData":"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 issues.","Type":"Description","Title":"CVE-2020-27388"},{"CveYear":"2020","CveId":"27388","Ordinal":"2","NoteData":"2020-10-23","Type":"Other","Title":"Published"},{"CveYear":"2020","CveId":"27388","Ordinal":"3","NoteData":"2020-10-23","Type":"Other","Title":"Modified"}]}}}