{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-2506", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2026-02-13T22:51:00.248Z", "datePublished": "2026-02-26T01:24:13.651Z", "dateUpdated": "2026-04-08T16:40:55.330Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-04-08T16:40:55.330Z"}, "affected": [{"vendor": "motahar1", "product": "EM Cost Calculator", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "2.3.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The EM Cost Calculator plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.3.1. This is due to the plugin storing attacker-controlled 'customer_name' data and rendering it in the admin customer list without output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute when an administrator views the EMCC Customers page."}], "title": "EM Cost Calculator <= 2.3.1 - Unauthenticated Stored Cross-Site Scripting via 'customer_name'", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/1eef338a-ccc7-41a2-b87a-0945e39380d2?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-calculator-widget.php#L655"}, {"url": "https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-calculator-widget.php#L682"}, {"url": "https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-calculator-widget.php#L701"}, {"url": "https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-calc-admin-page.php#L59"}], "problemTypes": [{"descriptions": [{"lang": "en", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", "cweId": "CWE-79", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "Nabil Irawan"}], "timeline": [{"time": "2026-02-25T12:47:40.000Z", "lang": "en", "value": "Disclosed"}]}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-02-26T15:35:21.623528Z", "id": "CVE-2026-2506", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-26T15:42:01.642Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2026-2506", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-02-26T15:35:21.623528Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-02-26T15:38:22.360Z"}}], "cna": {"title": "EM Cost Calculator <= 2.3.1 - Unauthenticated Stored Cross-Site Scripting via 'customer_name'", "credits": [{"lang": "en", "type": "finder", "value": "Nabil Irawan"}], "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 6.1, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}}], "affected": [{"vendor": "motahar1", "product": "EM Cost Calculator", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "2.3.1"}], "defaultStatus": "unaffected"}], "timeline": [{"lang": "en", "time": "2026-02-25T12:47:40.000Z", "value": "Disclosed"}], "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/1eef338a-ccc7-41a2-b87a-0945e39380d2?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-calculator-widget.php#L655"}, {"url": "https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-calculator-widget.php#L682"}, {"url": "https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-calculator-widget.php#L701"}, {"url": "https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-calc-admin-page.php#L59"}], "descriptions": [{"lang": "en", "value": "The EM Cost Calculator plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.3.1. This is due to the plugin storing attacker-controlled 'customer_name' data and rendering it in the admin customer list without output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute when an administrator views the EMCC Customers page."}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}], "providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-04-08T16:40:55.330Z"}}}, "cveMetadata": {"cveId": "CVE-2026-2506", "state": "PUBLISHED", "dateUpdated": "2026-04-08T16:40:55.330Z", "dateReserved": "2026-02-13T22:51:00.248Z", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "datePublished": "2026-02-26T01:24:13.651Z", "assignerShortName": "Wordfence"}, "dataVersion": "5.2"}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "The EM Cost Calculator plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.3.1. This is due to the plugin storing attacker-controlled 'customer_name' data and rendering it in the admin customer list without output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute when an administrator views the EMCC Customers page."}, {"lang": "es", "value": "El plugin EM Cost Calculator para WordPress es vulnerable a cross-site scripting almacenado en versiones hasta la 2.3.1, inclusive. Esto se debe a que el plugin almacena datos 'customer_name' controlados por el atacante y los renderiza en la lista de clientes del administrador sin escape de salida. Esto permite que atacantes no autenticados inyecten scripts web arbitrarios que se ejecutan cuando un administrador ve la p\u00e1gina de Clientes de EMCC."}], "id": "CVE-2026-2506", "lastModified": "2026-04-15T00:35:42.020", "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": "security@wordfence.com", "type": "Secondary"}]}, "published": "2026-02-26T02:16:25.410", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-calc-admin-page.php#L59"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-calculator-widget.php#L655"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-calculator-widget.php#L682"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/cost-calculator/tags/2.3.1/em-cost-calculator-widget.php#L701"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/1eef338a-ccc7-41a2-b87a-0945e39380d2?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[0,2.3.1]"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "original": {"product": "EM Cost Calculator", "source": "cna", "vendor": "motahar1"}, "product": "em_cost_calculator", "vendor": "motahar1"}, {"configurations": [{"platform": null, "status": "unaffected", "versions": null}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "product": "wordpress", "vendor": "wordpress"}], "analysis": {"en": {"generated_at": "2026-04-15T20:13:43.834113+00:00", "value": {"mitigation_remediation": ["Upgrade the EM Cost Calculator plugin to the latest release that contains the XSS fix or uninstall the plugin if it is no longer required.", "If an immediate upgrade is not possible, restrict the customer name input to authenticated users only and sanitize or escape the input using WordPress sanitization functions before storing it.", "Deploy a Content Security Policy that disallows inline scripts in the admin area, helping to block execution of any code that remains stored."], "summary": {"action": "Patch Now", "impact": "Stored Cross\u2011Site Scripting enabling arbitrary script execution in the WordPress admin interface."}, "threat_synthesis": {"affected_systems": "The vulnerability affects the EM Cost Calculator plugin by the vendor motahar1, versions 2.3.1 and earlier, which runs on WordPress sites.", "description_and_impact": "The EM Cost Calculator WordPress plugin stores the 'customer_name' field without escaping, which allows an unauthenticated user to inject malicious JavaScript that is later rendered in the admin customer list. The stored cross\u2011site scripting permits the attacker to execute arbitrary code in the context of any administrator who views the affected page, potentially leading to session hijacking, defacement, or data exfiltration.", "risk_and_exploitability": "The CVSS score assigned to this flaw is 6.1, reflecting a moderate severity with potential for abuse. The EPSS score is below 1\u202f%, indicating a low probability of exploitation at the moment, and the vulnerability is not listed in the CISA Known Exploited Vulnerabilities catalog. Attackers can exploit the flaw without authentication by submitting malicious input via the customer name field, and when an administrator later accesses the customer list page the stored script runs in their browser. Given the lack of control requirements and the relatively low exploitation probability, the risk remains moderate but should not be ignored."}}}}, "created": "2026-02-26T13:10:05.182637+00:00", "updated": "2026-04-15T20:15:13.725131+00:00", "vendors": ["motahar1", "motahar1$PRODUCT$em_cost_calculator", "wordpress", "wordpress$PRODUCT$wordpress"]}