CVE-2026-6652

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This issue affects the function evaluate of the file app/modules/view/src/PhpEngine.php of the component StringStorage Template Handler. This manipulation causes improper neutralization of directives in dynamically evaluated code. Remote exploitation of the attack is possible. The exploit has been made available to the public and could be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way."}, {"lang": "es", "value": "Se ha identificado una debilidad en Pagekit CMS hasta la versi\u00f3n 1.0.18. Este problema afecta la funci\u00f3n evaluate del archivo app/modules/view/src/PhpEngine.php del componente StringStorage Template Gestor. Esta manipulaci\u00f3n causa una neutralizaci\u00f3n incorrecta de directivas en c\u00f3digo evaluado din\u00e1micamente. La explotaci\u00f3n remota del ataque es posible. El exploit se ha puesto a disposici\u00f3n del p\u00fablico y podr\u00eda ser utilizado para ataques. Se contact\u00f3 con el proveedor con antelaci\u00f3n sobre esta divulgaci\u00f3n, pero no respondi\u00f3 de ninguna manera."}], "id": "CVE-2026-6652", "lastModified": "2026-10-26T21:10:00.170", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "MULTIPLE", "availabilityImpact": "PARTIAL", "baseScore": 5.8, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:M/C:P/I:P/A:P", "version": "2.0"}, "exploitabilityScore": 6.4, "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": 4.7, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L", "version": "3.1"}, "exploitabilityScore": 1.2, "impactScore": 3.4, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.0, "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": "HIGH", "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:H/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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-6652", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-04-20T16:09:27.558348Z", "version": "2.0.3"}}]}, "published": "2026-04-20T16:16:56.013", "references": [{"source": "cna@vuldb.com", "url": "https://medium.com/@pkhuyar/the-danger-of-php-eval-a23410187ca2"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/794186"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/358286"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/358286/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-94"}, {"lang": "en", "value": "CWE-95"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.0"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.1"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.2"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.3"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.4"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.5"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.6"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.7"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.8"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.9"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.10"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.11"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.12"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.13"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.14"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.15"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.16"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.17"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "1.0.18"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "CMS", "source": "cna", "vendor": "Pagekit"}, "product": "cms", "vendor": "pagekit"}], "analysis": {"en": {"generated_at": "2026-04-20T17:21:55.820437+00:00", "value": {"mitigation_remediation": ["Verify whether a vendor patch or newer release that removes the vulnerable evaluate call is available, and apply it as soon as possible.", "Restrict template editing and execution so that only trusted administrators can submit or process templates that invoke the StringStorage Template Handler. This limits the attack surface to privileged users.", "Sanitize template inputs to remove any PHP delimiters or code that could trigger eval, ensuring that only pure template content is processed."], "summary": {"action": "Patch", "impact": "Remote Code Execution"}, "threat_synthesis": {"affected_systems": "The flaw affects Pagekit CMS installations running any version up to and including 1.0.18. The vulnerable code resides in app/modules/view/src/PhpEngine.php within the StringStorage Template Handler component. All sites that rely on this component for rendering templates without a newer fixed release are susceptible.", "description_and_impact": "This vulnerability lies in the evaluate function of the StringStorage Template Handler in Pagekit CMS up to version\u202f1.0.18. The function uses PHP's eval without properly neutralizing directives in dynamically evaluated code, allowing a malicious user to inject and execute arbitrary PHP code on the server. The weakness is classified as code injection (CWE\u201194) and eval injection (CWE\u201195). Remote attackers can exploit the flaw through web inputs that reach the evaluate routine, leading to full remote code execution on the affected system.", "risk_and_exploitability": "The CVSS score of 5.1 indicates a moderate baseline severity, but the publicly available exploit elevates the practical risk. Because the attack vector is remote, the exploitation requires only access to parts of the CMS that submit or process templates. Although the vulnerability is not listed in the CISA KEV catalog, the existence of a public exploit and the lack of vendor response increase the likelihood of abuse. Administrators should treat this as a medium-risk flaw that could enable remote code execution if not addressed promptly."}}}}, "created": "2026-04-20T17:30:12.652036+00:00", "updated": "2026-04-22T11:47:56.657453+00:00", "vendors": ["pagekit", "pagekit$PRODUCT$cms"]}