{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-103540", "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "state": "PUBLISHED", "assignerShortName": "VulDB", "dateReserved": "2026-09-30T19:07:30.951Z", "datePublished": "2026-10-01T05:15:13.128Z", "dateUpdated": "2026-10-01T05:15:13.128Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5", "shortName": "VulDB", "dateUpdated": "2026-10-01T05:15:13.128Z"}, "title": "formtools.org Form Tools Client Settings Clients.class.php updateClientSettingsTab special elements in template engine", "problemTypes": [{"descriptions": [{"type": "CWE", "cweId": "CWE-1336", "lang": "en", "description": "Improper Neutralization of Special Elements Used in a Template Engine"}]}, {"descriptions": [{"type": "CWE", "cweId": "CWE-791", "lang": "en", "description": "Incomplete Filtering of Special Elements"}]}], "affected": [{"vendor": "formtools.org", "product": "Form Tools", "versions": [{"version": "3.1.0", "status": "affected"}, {"version": "3.1.1", "status": "affected"}], "cpes": ["cpe:2.3:a:form_tools:form_tools:*:*:*:*:*:*:*:*"], "modules": ["Client Settings"]}], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in formtools.org Form Tools up to 3.1.1. This vulnerability affects the function Clients::updateClientSettingsTab of the file global/code/Clients.class.php of the component Client Settings. The manipulation of the argument page_titles leads to improper neutralization of special elements used in a template engine. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet."}], "metrics": [{"cvssV4_0": {"version": "4.0", "baseScore": 5.3, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P", "baseSeverity": "MEDIUM"}}, {"cvssV3_1": {"version": "3.1", "baseScore": 6.3, "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV3_0": {"version": "3.0", "baseScore": 6.3, "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:C", "baseSeverity": "MEDIUM"}}, {"cvssV2_0": {"version": "2.0", "baseScore": 6.5, "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:C"}}], "timeline": [{"time": "2026-09-30T00:00:00.000Z", "lang": "en", "value": "Advisory disclosed"}, {"time": "2026-09-30T02:00:00.000Z", "lang": "en", "value": "VulDB entry created"}, {"time": "2026-09-30T21:12:39.000Z", "lang": "en", "value": "VulDB entry last update"}], "credits": [{"lang": "en", "value": "wenyouwen (VulDB User)", "type": "reporter"}, {"lang": "en", "value": "VulDB CNA Team", "type": "coordinator"}], "references": [{"url": "https://vuldb.com/vuln/412350", "name": "VDB-412350 | formtools.org Form Tools Client Settings Clients.class.php updateClientSettingsTab special elements in template engine", "tags": ["vdb-entry", "technical-description"]}, {"url": "https://vuldb.com/vuln/412350/cti", "name": "VDB-412350 | CTI Indicators (IOB, IOC, TTP, IOA)", "tags": ["signature", "permissions-required"]}, {"url": "https://vuldb.com/cve/CVE-2026-103540", "name": "CVE-2026-103540 | CVE Analysis and Report", "tags": ["third-party-advisory"]}, {"url": "https://vuldb.com/submit/957845", "name": "Submit #957845 | formtools.org / Form Tools project Form Tools Core 3.1.1 Server Side Template Injection", "tags": ["third-party-advisory"]}, {"url": "https://github.com/formtools/core/issues/956", "tags": ["issue-tracking"]}, {"url": "https://github.com/wawyw/cve_report/blob/main/formtools_1.md", "tags": ["exploit"]}], "x_generator": ["VulDB PVTS v202610"]}}}

{}

{"affected": [{"affectedData": [{"cpes": ["cpe:2.3:a:form_tools:form_tools:*:*:*:*:*:*:*:*"], "modules": ["Client Settings"], "product": "Form Tools", "vendor": "formtools.org", "versions": [{"status": "affected", "version": "3.1.0"}, {"status": "affected", "version": "3.1.1"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A security vulnerability has been detected in formtools.org Form Tools up to 3.1.1. This vulnerability affects the function Clients::updateClientSettingsTab of the file global/code/Clients.class.php of the component Client Settings. The manipulation of the argument page_titles leads to improper neutralization of special elements used in a template engine. It is possible to initiate the attack remotely. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet."}], "id": "CVE-2026-103540", "lastModified": "2026-10-01T12:40:28.083", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 6.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 6.4, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 6.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Primary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.1, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "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": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/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": "LOW", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2026-10-01T06:17:04.393", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/formtools/core/issues/956"}, {"source": "cna@vuldb.com", "url": "https://github.com/wawyw/cve_report/blob/main/formtools_1.md"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/cve/CVE-2026-103540"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/957845"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/412350"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/412350/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-791"}, {"lang": "en", "value": "CWE-1336"}], "source": "cna@vuldb.com", "type": "Primary"}]}

{}

{"created": "2026-10-01T08:15:05.197769+00:00", "updated": "2026-10-01T08:15:05.197774+00:00", "vendors": []}