CVE-2026-29106

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{"affected": [{"affectedData": [{"product": "SuiteCRM", "vendor": "SuiteCRM", "versions": [{"status": "affected", "version": "< 7.15.1"}, {"status": "affected", "version": ">= 8.0.0, < 8.9.3"}]}], "source": "security-advisories@github.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:suitecrm:suitecrm:*:*:*:*:*:*:*:*", "matchCriteriaId": "73648654-E7F6-47CF-8E01-19BBFF737C99", "versionEndExcluding": "7.15.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:suitecrm:suitecrm:*:*:*:*:*:*:*:*", "matchCriteriaId": "C7E15DD3-A934-40A2-8B43-ABCCBB53CBCF", "versionEndExcluding": "8.9.3", "versionStartIncluding": "8.0.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "SuiteCRM is an open-source, enterprise-ready Customer Relationship Management (CRM) software application. Prior to versions 7.15.1 and 8.9.3, the value of the return_id request parameter is copied into the value of an HTML tag attribute which is an event handler and is encapsulated in double quotation marks. Versions 7.15.1 and 8.9.3 patch the issue. Users should also use a Content Security Policy (CSP) header to completely mitigate XSS."}, {"lang": "es", "value": "SuiteCRM es una aplicaci\u00f3n de software de gesti\u00f3n de relaciones con clientes (CRM) de c\u00f3digo abierto y lista para empresas. Antes de las versiones 7.15.1 y 8.9.3, el valor del par\u00e1metro de solicitud return_id se copia en el valor de un atributo de etiqueta HTML que es un gestor de eventos y est\u00e1 encapsulado entre comillas dobles. Las versiones 7.15.1 y 8.9.3 parchean el problema. Los usuarios tambi\u00e9n deben usar una cabecera de Pol\u00edtica de Seguridad de Contenido (CSP) para mitigar completamente el XSS."}], "id": "CVE-2026-29106", "lastModified": "2026-06-17T10:29:36.510", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "LOW", "baseScore": 5.9, "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:L", "version": "3.1"}, "exploitabilityScore": 1.7, "impactScore": 3.7, "source": "security-advisories@github.com", "type": "Secondary"}, {"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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-29106", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-03-20T14:59:53.325267Z", "version": "2.0.3"}}]}, "published": "2026-03-19T23:16:43.500", "references": [{"source": "security-advisories@github.com", "tags": ["Release Notes"], "url": "https://docs.suitecrm.com/admin/releases/7.15.x"}, {"source": "security-advisories@github.com", "tags": ["Vendor Advisory"], "url": "https://github.com/SuiteCRM/SuiteCRM/security/advisories/GHSA-7qrj-5hj6-7c2m"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}, {"lang": "en", "value": "CWE-80"}, {"lang": "en", "value": "CWE-116"}, {"lang": "en", "value": "CWE-159"}], "source": "security-advisories@github.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,7.15.1)"}}, {"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[8.0.0,8.9.3)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "SuiteCRM", "source": "cna", "vendor": "SuiteCRM"}, "product": "suitecrm", "vendor": "suitecrm"}], "analysis": {"en": {"generated_at": "2026-03-24T15:50:40.029166+00:00", "value": {"mitigation_remediation": ["Apply the official SuiteCRM patch by upgrading to version 7.15.1 or newer (or 8.9.3 or newer).", "If an upgrade is not immediately possible, enforce a strict Content Security Policy that disallows inline scripts to mitigate the XSS risk.", "If neither patch nor CSP is feasible, implement server\u2011side encoding or validation of the return_id parameter to neutralize the injection."], "summary": {"action": "Patch", "impact": "Blind Cross\u2011Site Scripting via return_id parameter"}, "threat_synthesis": {"affected_systems": "SuiteCRM installations running any release earlier than 7.15.1 in the 7.x series or earlier than 8.9.3 in the 8.x series are vulnerable. Versions 7.15.1 and 8.9.3 contain the fix that removes the unsafe echoing of return_id into the attribute.", "description_and_impact": "The vulnerability allows an attacker to inject arbitrary JavaScript by sending a specially crafted return_id query value. Because the value is directly placed into an HTML attribute that is an event handler and wrapped in double quotes, the script runs when the resulting page is rendered in the victim\u2019s browser. This blind XSS does not produce immediate visual feedback for the attacker but can execute code in the context of the target site. Based on the typical consequences of XSS, the attacker could potentially steal session data, modify page content, or perform other client\u2011side actions; however, the CVE description does not confirm any of these specific outcomes, so they remain inferred risks.", "risk_and_exploitability": "The CVSS score of 5.9 indicates moderate severity, and the EPSS score of less than 1 percent suggests a low probability of exploitation. The vulnerability is not listed in the CISA KEV catalog, reinforcing its perceived risk level. Exploitation requires an attacker to craft a request that includes a malicious return_id value and an end\u2011user to load the resulting page in a browser. Because the injection occurs in an event\u2011handler attribute, the attacker must entice a user to visit the page or embed it in an iframe or link; passive exploitation (e.g., via DNS) is not feasible. The impact is confined to the victim\u2019s session and does not grant direct control over the server."}}}}, "created": "2026-03-20T08:54:27.960525+00:00", "updated": "2026-03-25T11:54:08.025692+00:00", "vendors": ["suitecrm", "suitecrm$PRODUCT$suitecrm"]}