{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-129484", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-11-15T13:51:17.973Z", "datePublished": "2026-11-15T15:33:11.735Z", "dateUpdated": "2026-11-15T15:33:11.735Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-11-15T15:33:11.735Z"}, "datePublic": "2026-11-09T00:00:00.000Z", "title": "Kroki before 0.36.0 Reflected XSS via /goat/svg Color Scheme Options", "descriptions": [{"lang": "en", "value": "Kroki before 0.36.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts via unvalidated svg-color-dark-scheme and svg-color-light-scheme options. Attackers can craft a GET /goat/svg URL whose option value closes the SVG style element, executing JavaScript in the Kroki origin when victims open it."}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79", "type": "CWE"}]}], "affected": [{"vendor": "yuzutech", "product": "kroki", "defaultStatus": "unaffected", "versions": [{"version": "0", "status": "affected", "versionType": "semver", "lessThan": "0.36.0"}, {"version": "0.36.0", "status": "unaffected", "versionType": "semver"}], "packageURL": "pkg:maven/io.kroki/kroki-server", "repo": "https://github.com/yuzutech/kroki"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"version": "4.0", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "subAvailabilityImpact": "NONE", "baseScore": 5.3, "baseSeverity": "MEDIUM"}}, {"format": "CVSS", "cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM"}}], "references": [{"url": "https://github.com/yuzutech/kroki/security/advisories/GHSA-xp94-px2v-f7f2", "tags": ["vendor-advisory"], "name": "GitHub Security Advisory (GHSA-xp94-px2v-f7f2)"}, {"url": "https://github.com/yuzutech/kroki/commit/a0a1435cc38eb7b258c555a883b7687424ad6784", "tags": ["patch"]}, {"url": "https://github.com/yuzutech/kroki/releases/tag/v0.36.0", "tags": ["release-notes"], "name": "kroki v0.36.0 Release Notes"}, {"url": "https://github.com/yuzutech/kroki/blob/v0.35.0/server/src/main/java/io/kroki/server/service/Goat.java#L61-L71", "tags": ["technical-description"]}, {"name": "VulnCheck Advisory: Kroki before 0.36.0 Reflected XSS via /goat/svg Color Scheme Options", "tags": ["third-party-advisory"], "url": "https://www.vulncheck.com/advisories/kroki-before-0.36.0-reflected-xss-via-goat-svg-color-scheme-options"}], "credits": [{"lang": "en", "value": "oceanwarranty (Adgepuk Research)", "type": "finder"}], "x_generator": {"engine": "vulncheck-endgame"}}}}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "packageURL": "pkg:maven/io.kroki/kroki-server", "product": "kroki", "repo": "https://github.com/yuzutech/kroki", "vendor": "yuzutech", "versions": [{"lessThan": "0.36.0", "status": "affected", "version": "0", "versionType": "semver"}, {"status": "unaffected", "version": "0.36.0", "versionType": "semver"}]}], "source": "disclosure@vulncheck.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "Kroki before 0.36.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject scripts via unvalidated svg-color-dark-scheme and svg-color-light-scheme options. Attackers can craft a GET /goat/svg URL whose option value closes the SVG style element, executing JavaScript in the Kroki origin when victims open it."}], "id": "CVE-2026-129484", "lastModified": "2026-11-15T16:16:56.327", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "disclosure@vulncheck.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}]}, "published": "2026-11-15T16:16:56.327", "references": [{"source": "disclosure@vulncheck.com", "url": "https://github.com/yuzutech/kroki/blob/v0.35.0/server/src/main/java/io/kroki/server/service/Goat.java#L61-L71"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/yuzutech/kroki/commit/a0a1435cc38eb7b258c555a883b7687424ad6784"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/yuzutech/kroki/releases/tag/v0.36.0"}, {"source": "disclosure@vulncheck.com", "url": "https://github.com/yuzutech/kroki/security/advisories/GHSA-xp94-px2v-f7f2"}, {"source": "disclosure@vulncheck.com", "url": "https://www.vulncheck.com/advisories/kroki-before-0.36.0-reflected-xss-via-goat-svg-color-scheme-options"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "disclosure@vulncheck.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,0.36.0)"}}, {"platform": null, "status": "unaffected", "versions": {"scheme": "semver", "value": "0.36.0"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "kroki", "source": "cna", "vendor": "yuzutech"}, "product": "kroki", "vendor": "yuzutech"}], "created": "2026-11-15T16:30:09.440222+00:00", "updated": "2026-11-15T17:15:15.877291+00:00", "vendors": ["yuzutech", "yuzutech$PRODUCT$kroki"]}