CVE-2026-39338

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Although the application ultimately returns an HTTP 500 error due to the malformed API request caused by the payload, the browser's JavaScript engine parses and executes the injected <script> tags before the error response is returned \u2014 resulting in successful code execution regardless of the server-side error. This vulnerability is fixed in 7.1.0."}, {"lang": "es", "value": "ChurchCRM es un sistema de gesti\u00f3n de iglesias de c\u00f3digo abierto. Antes de la versi\u00f3n 7.1.0, existe una vulnerabilidad de Blind Reflected Cross-Site Scripting en el par\u00e1metro de b\u00fasqueda aceptado por el panel de control de ChurchCRM. La aplicaci\u00f3n no logra sanear o codificar la entrada proporcionada por el usuario antes de renderizarla dentro del DOM del navegador. Aunque la aplicaci\u00f3n finalmente devuelve un error HTTP 500 debido a la solicitud de API malformada causada por la carga \u00fatil, el motor JavaScript del navegador analiza y ejecuta las etiquetas [script_tag] inyectadas antes de que se devuelva la respuesta de error - lo que resulta en una ejecuci\u00f3n de c\u00f3digo exitosa independientemente del error del servidor. Esta vulnerabilidad est\u00e1 corregida en la versi\u00f3n 7.1.0."}], "id": "CVE-2026-39338", "lastModified": "2026-10-26T21:10:00.170", "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": "nvd@nist.gov", "type": "Primary"}, {"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": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 8.6, "baseSeverity": "HIGH", "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:H/VI:H/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": "HIGH", "vulnIntegrityImpact": "HIGH", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security-advisories@github.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-39338", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-04-09T15:51:46.660440Z", "version": "2.0.3"}}]}, "published": "2026-04-07T18:16:45.753", "references": [{"source": "security-advisories@github.com", "tags": ["Exploit", "Vendor Advisory"], "url": "https://github.com/ChurchCRM/CRM/security/advisories/GHSA-3ghg-qfqw-rcqf"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}, {"lang": "en", "value": "CWE-1004"}], "source": "security-advisories@github.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.1.0)"}}], "enrichment": {"confidence": 81.0, "confidence_source": "matching", "scores": [{"score": 81.0, "source": "matching"}]}, "original": {"product": "CRM", "source": "cna", "vendor": "ChurchCRM"}, "product": "churchcrm", "vendor": "churchcrm"}], "analysis": {"en": {"generated_at": "2026-04-07T21:57:18.967895+00:00", "value": {"mitigation_remediation": ["Upgrade ChurchCRM to version 7.1.0 or later.", "Verify that the search input now sanitizes and encodes user data; test by attempting a script injection.", "As an interim measure, disable or restrict global search functionality for administrators, or implement additional input validation on the search field.", "Monitor server logs for anomalous searches and monitor administrators' sessions for suspicious activity."], "summary": {"action": "Patch Now", "impact": "Blind XSS enabling administrative cookie session exfiltration"}, "threat_synthesis": {"affected_systems": "Vendor: ChurchCRM. Product: ChurchCRM CRM. Version: Prior to 7.1.0. No other version data is listed.", "description_and_impact": "ChurchCRM, before version 7.1.0, contains a blind reflected cross\u2011site scripting flaw in the dashboard search input. The application does not sanitize or encode user\u2011supplied data before inserting it into the DOM. When a malicious payload is supplied, the server returns an HTTP 500 error, but the browser's JavaScript engine parses the injected <script> tags before the error response returns, allowing arbitrary code to run in the victim's browser. Because the code executes in the context of the logged\u2011in administrator, scripts can read cookies and other session tokens, leading to credential theft and potential full administrative takeover.", "risk_and_exploitability": "CVSS score is 8.6, indicating a high severity. The EPSS score is not available. It is not listed in KEV. The vulnerability can be exploited by sending a crafted search query containing a malicious script via the web interface. The attacker does not need special privileges and only requires that a victim with administrative access visits the injected link. If successful, arbitrary JavaScript runs with the administrator's privileges, enabling cookie theft, session hijacking, or further payload execution. Because it is a blind XSS, impact is not immediately visible to the victim, reducing detection chances."}}}}, "created": "2026-04-08T19:47:01.279818+00:00", "updated": "2026-04-09T08:23:22.814273+00:00", "vendors": ["churchcrm", "churchcrm$PRODUCT$churchcrm"]}