{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-54390", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "state": "PUBLISHED", "assignerShortName": "VulnCheck", "dateReserved": "2026-06-12T20:20:02.950Z", "datePublished": "2026-06-18T17:33:46.230Z", "dateUpdated": "2026-06-23T11:39:42.099Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-06-23T11:39:42.099Z"}, "title": "JTL Shop < 5.7.2 Server-Side Template Injection via Smarty Renderer", "descriptions": [{"lang": "en", "value": "JTL Shop versions 5.2.0 through 5.7.1 contains a server-side template injection vulnerability that allows unauthenticated attackers to inject malicious template syntax due to unsanitized user-supplied input passed to the Smarty template engine. Attackers can exploit this flaw to read sensitive server-side values such as database credentials and encryption keys, and on versions 5.4.0 through 5.7.1, leverage registered Smarty modifiers including unserialize and file_get_contents to write a webshell to the web root and execute arbitrary commands as the web server user."}], "tags": ["x_open-source"], "datePublic": "2026-04-08T00:00:00.000Z", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-1336", "description": "Improper Neutralization of Special Elements Used in a Template Engine", "type": "CWE"}]}], "affected": [{"defaultStatus": "affected", "vendor": "JTL Software", "product": "JTL Shop", "versions": [{"status": "unaffected", "version": "5.0.0", "versionType": "semver", "lessThanOrEqual": "5.1.8"}, {"status": "affected", "version": "5.2.0", "versionType": "semver", "lessThan": "5.4.0"}, {"status": "affected", "version": "5.4.0", "versionType": "semver", "lessThanOrEqual": "5.7.1"}, {"status": "unaffected", "version": "5.5.4", "versionType": "semver"}, {"status": "unaffected", "version": "5.6.2", "versionType": "semver"}, {"status": "unaffected", "version": "5.7.2", "versionType": "semver"}]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "CRITICAL", "baseScore": 9.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N"}}, {"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV3_1": {"attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "availabilityImpact": "HIGH", "version": "3.1", "baseSeverity": "CRITICAL", "baseScore": 9.8, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}}], "references": [{"url": "https://sansec.io/research/jtl-shop-ssti-rce", "tags": ["technical-description"]}, {"url": "https://forum.jtl-software.de/threads/jtl-shop-5-7-aktuell-5-7-2.246278/", "tags": ["release-notes", "patch"]}, {"url": "https://www.vulncheck.com/advisories/jtl-shop-server-side-template-injection-via-smarty-renderer", "tags": ["third-party-advisory"]}], "credits": [{"lang": "en", "value": "Sansec", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "vulncheck"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-06-22T12:39:02.156506Z", "id": "CVE-2026-54390", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-22T12:39:39.093Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-54390", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "total"}], "version": "2.0.3", "timestamp": "2026-06-22T12:39:02.156506Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-06-22T12:39:34.065Z"}}], "cna": {"tags": ["x_open-source"], "title": "JTL Shop < 5.7.2 Server-Side Template Injection via Smarty Renderer", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "Sansec"}], "metrics": [{"format": "CVSS", "cvssV4_0": {"Safety": "NOT_DEFINED", "version": "4.0", "Recovery": "NOT_DEFINED", "baseScore": 9.3, "Automatable": "NOT_DEFINED", "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N", "exploitMaturity": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "userInteraction": "NONE", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "subIntegrityImpact": "NONE", "vulnIntegrityImpact": "HIGH", "subAvailabilityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subConfidentialityImpact": "NONE", "vulnConfidentialityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}, {"format": "CVSS", "cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "affected": [{"vendor": "JTL Software", "product": "JTL Shop", "versions": [{"status": "unaffected", "version": "5.0.0", "versionType": "semver", "lessThanOrEqual": "5.1.8"}, {"status": "affected", "version": "5.2.0", "lessThan": "5.4.0", "versionType": "semver"}, {"status": "affected", "version": "5.4.0", "versionType": "semver", "lessThanOrEqual": "5.7.1"}, {"status": "unaffected", "version": "5.5.4", "versionType": "semver"}, {"status": "unaffected", "version": "5.6.2", "versionType": "semver"}, {"status": "unaffected", "version": "5.7.2", "versionType": "semver"}], "defaultStatus": "affected"}], "datePublic": "2026-04-08T00:00:00.000Z", "references": [{"url": "https://sansec.io/research/jtl-shop-ssti-rce", "tags": ["technical-description"]}, {"url": "https://forum.jtl-software.de/threads/jtl-shop-5-7-aktuell-5-7-2.246278/", "tags": ["release-notes", "patch"]}, {"url": "https://www.vulncheck.com/advisories/jtl-shop-server-side-template-injection-via-smarty-renderer", "tags": ["third-party-advisory"]}], "x_generator": {"engine": "vulncheck"}, "descriptions": [{"lang": "en", "value": "JTL Shop versions 5.2.0 through 5.7.1 contains a server-side template injection vulnerability that allows unauthenticated attackers to inject malicious template syntax due to unsanitized user-supplied input passed to the Smarty template engine. Attackers can exploit this flaw to read sensitive server-side values such as database credentials and encryption keys, and on versions 5.4.0 through 5.7.1, leverage registered Smarty modifiers including unserialize and file_get_contents to write a webshell to the web root and execute arbitrary commands as the web server user."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-1336", "description": "Improper Neutralization of Special Elements Used in a Template Engine"}]}], "providerMetadata": {"orgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "shortName": "VulnCheck", "dateUpdated": "2026-06-23T11:39:42.099Z"}}}, "cveMetadata": {"cveId": "CVE-2026-54390", "state": "PUBLISHED", "dateUpdated": "2026-06-23T11:39:42.099Z", "dateReserved": "2026-06-12T20:20:02.950Z", "assignerOrgId": "83251b91-4cc7-4094-a5c7-464a1b83ea10", "datePublished": "2026-06-18T17:33:46.230Z", "assignerShortName": "VulnCheck"}, "dataVersion": "5.2"}

{}

{}