CVE-2020-26298

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{}

{"affected": [{"affectedData": [{"product": "redcarpet", "vendor": "vmg", "versions": [{"status": "affected", "version": "< 3.5.1"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:redcarpet_project:redcarpet:*:*:*:*:*:ruby:*:*", "matchCriteriaId": "902228CC-361A-4FB7-B856-DB57477CD68F", "versionEndExcluding": "3.5.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*", "matchCriteriaId": "DEECE5FC-CACF-4496-A3E7-164736409252", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Redcarpet is a Ruby library for Markdown processing. In Redcarpet before version 3.5.1, there is an injection vulnerability which can enable a cross-site scripting attack. In affected versions no HTML escaping was being performed when processing quotes. This applies even when the `:escape_html` option was being used. This is fixed in version 3.5.1 by the referenced commit."}, {"lang": "es", "value": "Redcarpet es una biblioteca de Ruby para el procesamiento de Descuentos.&#xa0;En Redcarpet versiones anteriores a 3.5.1, se presenta una vulnerabilidad de inyecci\u00f3n que puede habilitar un ataque de tipo cross-site scripting.&#xa0;En las versiones afectadas, no se llevaba a cabo ning\u00fan escape HTML al procesar las cotizaciones.&#xa0;Esto aplica incluso cuando la opci\u00f3n \":escape_html\" hab\u00eda sido usada.&#xa0;Esto es corregido en la versi\u00f3n 3.5.1 mediante la confirmaci\u00f3n de referencia"}], "id": "CVE-2020-26298", "lastModified": "2026-06-17T03:08:01.600", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 3.5, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.8, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 4.0, "source": "security-advisories@github.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-01-11T19:15:13.133", "references": [{"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://github.com/advisories/GHSA-q3wr-qw3g-3p4h"}, {"source": "security-advisories@github.com", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-security"}, {"source": "security-advisories@github.com", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793"}, {"source": "security-advisories@github.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/01/msg00014.html"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFMYDIONVWATY7EB6EARDVXT47AYCRNM/"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNO4ZZUPGAEUXKQL4G2HRIH7CUZKPCT6/"}, {"source": "security-advisories@github.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PXNNWHHAPREDM3XJDACYRTK7DBMUONBI/"}, {"source": "security-advisories@github.com", "tags": ["Product", "Third Party Advisory"], "url": "https://rubygems.org/gems/redcarpet"}, {"source": "security-advisories@github.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4831"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://github.com/advisories/GHSA-q3wr-qw3g-3p4h"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Release Notes", "Third Party Advisory"], "url": "https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-security"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Third Party Advisory"], "url": "https://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2021/01/msg00014.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/BFMYDIONVWATY7EB6EARDVXT47AYCRNM/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FNO4ZZUPGAEUXKQL4G2HRIH7CUZKPCT6/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PXNNWHHAPREDM3XJDACYRTK7DBMUONBI/"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Product", "Third Party Advisory"], "url": "https://rubygems.org/gems/redcarpet"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2021/dsa-4831"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-74"}, {"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{"bugzilla": {"description": "rubygem-redcarpet: does not escape HTML when processing quotes which could result in XSS vulnerability", "id": "1915370", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1915370"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.8", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N", "status": "draft"}, "cwe": "CWE-79", "details": ["Redcarpet is a Ruby library for Markdown processing. In Redcarpet before version 3.5.1, there is an injection vulnerability which can enable a cross-site scripting attack. In affected versions no HTML escaping was being performed when processing quotes. This applies even when the `:escape_html` option was being used. This is fixed in version 3.5.1 by the referenced commit."], "name": "CVE-2020-26298", "package_state": [{"cpe": "cpe:/a:redhat:red_hat_3scale_amp:2", "fix_state": "Affected", "package_name": "redcarpet", "product_name": "Red Hat 3scale API Management Platform 2"}], "public_date": "2021-01-11T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2020-26298\nhttps://nvd.nist.gov/vuln/detail/CVE-2020-26298\nhttps://github.com/advisories/GHSA-q3wr-qw3g-3p4h\nhttps://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-security\nhttps://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793\nhttps://rubygems.org/gems/redcarpet"], "threat_severity": "Moderate"}

{}