{"resultsPerPage":1,"startIndex":0,"totalResults":1,"format":"NVD_CVE","version":"2.0","timestamp":"2026-04-18T00:28:03.593","vulnerabilities":[{"cve":{"id":"CVE-2018-1000874","sourceIdentifier":"cve@mitre.org","published":"2018-12-20T17:29:00.957","lastModified":"2025-05-06T15:15:52.863","vulnStatus":"Modified","cveTags":[{"sourceIdentifier":"cve@mitre.org","tags":["disputed"]}],"descriptions":[{"lang":"en","value":"PHP cebe markdown parser version 1.2.0 and earlier contains a Cross Site Scripting (XSS) vulnerability in all distributed parsers allowing a malicious crafted script to be executed that can result in the lose of user data and sensitive user information. This attack can be exploited by crafting a three backtick wrapped payload with a character in front: L: \"```<script>alert();</script>```\". NOTE: This has been argued as a non-issue (see references) since it is not the parser's job to sanitize malicious code from a parsed document"},{"lang":"es","value":"** EN DISPUTA ** PHP cebe markdown parser, en versiones 1.2.0 y anteriores, contiene una vulnerabilidad Cross-Site Scripting (XSS) en todos los analizadores distribuidos que permite que un script maliciosamente manipulado se ejecute, lo que resulta en la pérdida de datos y de información sensible del usuario. Este ataque puede explotarse manipulando una carga útil envuelta en tres acentos graves con un carácter delante: L: \"``````\". NOTA: Esto se ha argumentado como un no-problema (ver referencias) ya que no es tarea del analizador sanear el código malicioso de un documento analizado."}],"metrics":{"cvssMetricV31":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.7}],"cvssMetricV30":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"3.0","vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","baseScore":6.1,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"},"exploitabilityScore":2.8,"impactScore":2.7}],"cvssMetricV2":[{"source":"nvd@nist.gov","type":"Primary","cvssData":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","baseScore":4.3,"accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE"},"baseSeverity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}]},"weaknesses":[{"source":"nvd@nist.gov","type":"Primary","description":[{"lang":"en","value":"CWE-79"}]},{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","type":"Secondary","description":[{"lang":"en","value":"CWE-79"}]}],"configurations":[{"nodes":[{"operator":"OR","negate":false,"cpeMatch":[{"vulnerable":true,"criteria":"cpe:2.3:a:cebe:markdown:*:*:*:*:*:*:*:*","versionEndIncluding":"1.2.0","matchCriteriaId":"4F59E405-8117-4402-B0EC-F246785DC7BA"}]}]}],"references":[{"url":"https://github.com/cebe/markdown/issues/166","source":"cve@mitre.org","tags":["Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://github.com/cebe/markdown/issues/166#issuecomment-508230493","source":"cve@mitre.org"},{"url":"https://github.com/cebe/markdown/issues/166","source":"af854a3a-2127-422b-91ae-364da2661108","tags":["Exploit","Issue Tracking","Third Party Advisory"]},{"url":"https://github.com/cebe/markdown/issues/166#issuecomment-508230493","source":"af854a3a-2127-422b-91ae-364da2661108"}]}}]}