{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-63002", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-07-14T23:10:57.032Z", "datePublished": "2026-09-23T14:05:39.056Z", "dateUpdated": "2026-09-23T14:05:39.056Z"}, "containers": {"cna": {"title": "REDAXO: Stored XSS in Mediapool Sync Page via Unescaped Filesystem Filenames", "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "lang": "en", "description": "CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}}], "references": [{"name": "https://github.com/redaxo/core/security/advisories/GHSA-w998-qmw9-mf4m", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/redaxo/core/security/advisories/GHSA-w998-qmw9-mf4m"}, {"name": "https://github.com/redaxo/core/pull/6581", "tags": ["x_refsource_MISC"], "url": "https://github.com/redaxo/core/pull/6581"}, {"name": "https://github.com/redaxo/core/commit/2daaa3a30570bc76a82f63fd21fb8c9c2cd5dc7c", "tags": ["x_refsource_MISC"], "url": "https://github.com/redaxo/core/commit/2daaa3a30570bc76a82f63fd21fb8c9c2cd5dc7c"}, {"name": "https://github.com/redaxo/core/releases/tag/5.21.2", "tags": ["x_refsource_MISC"], "url": "https://github.com/redaxo/core/releases/tag/5.21.2"}], "affected": [{"vendor": "redaxo", "product": "core", "versions": [{"version": "< 5.21.2", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-09-23T14:05:39.056Z"}, "descriptions": [{"lang": "en", "value": "REDAXO is a PHP-based content management system. Prior to 5.21.2, redaxo/src/addons/mediapool/pages/sync.php inserts filenames held in $diffFiles from the media filesystem into the Mediapool Sync page without rex_escape(). An attacker who can place an unregistered file with HTML metacharacters in the media directory can execute script in the browser of a backend user with media[sync] permission when that user opens the Sync page, enabling session theft or unauthorized backend actions. This issue is fixed in version 5.21.2."}], "source": {"advisory": "GHSA-w998-qmw9-mf4m", "discovery": "UNKNOWN"}}}}

{}

{"affected": [{"affectedData": [{"product": "core", "vendor": "redaxo", "versions": [{"status": "affected", "version": "< 5.21.2"}]}], "source": "security-advisories@github.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "REDAXO is a PHP-based content management system. Prior to 5.21.2, redaxo/src/addons/mediapool/pages/sync.php inserts filenames held in $diffFiles from the media filesystem into the Mediapool Sync page without rex_escape(). An attacker who can place an unregistered file with HTML metacharacters in the media directory can execute script in the browser of a backend user with media[sync] permission when that user opens the Sync page, enabling session theft or unauthorized backend actions. This issue is fixed in version 5.21.2."}], "id": "CVE-2026-63002", "lastModified": "2026-09-23T15:17:15.770", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 1.7, "impactScore": 2.7, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-09-23T15:17:15.770", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/redaxo/core/commit/2daaa3a30570bc76a82f63fd21fb8c9c2cd5dc7c"}, {"source": "security-advisories@github.com", "url": "https://github.com/redaxo/core/pull/6581"}, {"source": "security-advisories@github.com", "url": "https://github.com/redaxo/core/releases/tag/5.21.2"}, {"source": "security-advisories@github.com", "url": "https://github.com/redaxo/core/security/advisories/GHSA-w998-qmw9-mf4m"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,5.21.2)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "core", "source": "cna", "vendor": "redaxo"}, "product": "core", "vendor": "redaxo"}], "created": "2026-09-23T16:15:05.894083+00:00", "updated": "2026-09-23T16:15:06.411450+00:00", "vendors": ["redaxo", "redaxo$PRODUCT$core"]}