CVE-2023-2406

{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2023-2406", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "state": "PUBLISHED", "assignerShortName": "Wordfence", "dateReserved": "2023-04-28T16:10:47.991Z", "datePublished": "2023-06-03T04:35:12.933Z", "dateUpdated": "2026-04-08T16:38:07.939Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "shortName": "Wordfence", "dateUpdated": "2026-04-08T16:38:07.939Z"}, "affected": [{"vendor": "vcita", "product": "Event Registration Calendar By vcita", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "1.3.1", "versionType": "semver"}], "defaultStatus": "unaffected"}, {"vendor": "vcita", "product": "Online Payments \u2013 Get Paid with PayPal, Square & Stripe", "versions": [{"version": "0", "status": "affected", "lessThanOrEqual": "3.9.1", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "The Event Registration Calendar By vcita plugin, versions up to and including 3.9.1, and Online Payments \u2013 Get Paid with PayPal, Square & Stripe plugin, for WordPress are vulnerable to Stored Cross-Site Scripting via the 'email' parameter in versions up to, and including, 1.3.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with the edit_posts capability, such as contributors and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}], "title": "Event Registration Calendar By vcita <= 1.3.1 & Online Payments \u2013 Get Paid with PayPal, Square & Stripe <= 3.9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/1ab05954-9999-43ff-8e3c-a987e2da1956?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/event-registration-calendar-by-vcita/trunk/system/parse_vcita_callback.php#L55"}, {"url": "https://plugins.trac.wordpress.org/browser/paypal-payment-button-by-vcita/trunk/system/parse_vcita_callback.php"}, {"url": "https://blog.jonh.eu/blog/security-vulnerabilities-in-wordpress-plugins-by-vcita"}, {"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2924420%40event-registration-calendar-by-vcita&new=2924420%40event-registration-calendar-by-vcita&sfp_email=&sfph_mail="}, {"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2924423%40paypal-payment-button-by-vcita&new=2924423%40paypal-payment-button-by-vcita&sfp_email=&sfph_mail="}, {"url": "https://plugins.trac.wordpress.org/changeset/2924423/paypal-payment-button-by-vcita"}], "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:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM"}}], "credits": [{"lang": "en", "type": "finder", "value": "Jonas H\u00f6benreich"}], "timeline": [{"time": "2023-02-03T00:00:00.000Z", "lang": "en", "value": "Vendor Notified"}, {"time": "2023-06-02T00:00:00.000Z", "lang": "en", "value": "Disclosed"}]}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T06:19:15.008Z"}, "title": "CVE Program Container", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/1ab05954-9999-43ff-8e3c-a987e2da1956?source=cve", "tags": ["x_transferred"]}, {"url": "https://plugins.trac.wordpress.org/browser/event-registration-calendar-by-vcita/trunk/system/parse_vcita_callback.php#L55", "tags": ["x_transferred"]}, {"url": "https://plugins.trac.wordpress.org/browser/paypal-payment-button-by-vcita/trunk/system/parse_vcita_callback.php", "tags": ["x_transferred"]}, {"url": "https://blog.jonh.eu/blog/security-vulnerabilities-in-wordpress-plugins-by-vcita", "tags": ["x_transferred"]}]}, {"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2024-12-20T23:29:52.131388Z", "id": "CVE-2023-2406", "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": "2024-12-20T23:58:18.884Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CVE Program Container", "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/1ab05954-9999-43ff-8e3c-a987e2da1956?source=cve", "tags": ["x_transferred"]}, {"url": "https://plugins.trac.wordpress.org/browser/event-registration-calendar-by-vcita/trunk/system/parse_vcita_callback.php#L55", "tags": ["x_transferred"]}, {"url": "https://plugins.trac.wordpress.org/browser/paypal-payment-button-by-vcita/trunk/system/parse_vcita_callback.php", "tags": ["x_transferred"]}, {"url": "https://blog.jonh.eu/blog/security-vulnerabilities-in-wordpress-plugins-by-vcita", "tags": ["x_transferred"]}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T06:19:15.008Z"}}, {"title": "CISA ADP Vulnrichment", "metrics": [{"other": {"type": "ssvc", "content": {"id": "CVE-2023-2406", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2024-12-20T23:29:52.131388Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-12-20T23:29:53.624Z"}}], "cna": {"title": "Event Registration Calendar By vcita <= 1.3.1 & Online Payments \u2013 Get Paid with PayPal, Square & Stripe <= 3.9.1 - Authenticated (Contributor+) Stored Cross-Site Scripting", "credits": [{"lang": "en", "type": "finder", "value": "Jonas H\u00f6benreich"}], "metrics": [{"cvssV3_1": {"version": "3.1", "baseScore": 6.4, "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N"}}], "affected": [{"vendor": "vcita", "product": "Event Registration Calendar By vcita", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "1.3.1"}], "defaultStatus": "unaffected"}, {"vendor": "vcita", "product": "Online Payments \u2013 Get Paid with PayPal, Square & Stripe", "versions": [{"status": "affected", "version": "0", "versionType": "semver", "lessThanOrEqual": "3.9.1"}], "defaultStatus": "unaffected"}], "timeline": [{"lang": "en", "time": "2023-02-03T00:00:00.000Z", "value": "Vendor Notified"}, {"lang": "en", "time": "2023-06-02T00:00:00.000Z", "value": "Disclosed"}], "references": [{"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/1ab05954-9999-43ff-8e3c-a987e2da1956?source=cve"}, {"url": "https://plugins.trac.wordpress.org/browser/event-registration-calendar-by-vcita/trunk/system/parse_vcita_callback.php#L55"}, {"url": "https://plugins.trac.wordpress.org/browser/paypal-payment-button-by-vcita/trunk/system/parse_vcita_callback.php"}, {"url": "https://blog.jonh.eu/blog/security-vulnerabilities-in-wordpress-plugins-by-vcita"}, {"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2924420%40event-registration-calendar-by-vcita&new=2924420%40event-registration-calendar-by-vcita&sfp_email=&sfph_mail="}, {"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2924423%40paypal-payment-button-by-vcita&new=2924423%40paypal-payment-button-by-vcita&sfp_email=&sfph_mail="}, {"url": "https://plugins.trac.wordpress.org/changeset/2924423/paypal-payment-button-by-vcita"}], "descriptions": [{"lang": "en", "value": "The Event Registration Calendar By vcita plugin, versions up to and including 3.9.1, and Online Payments \u2013 Get Paid with PayPal, Square & Stripe plugin, for WordPress are vulnerable to Stored Cross-Site Scripting via the 'email' parameter in versions up to, and including, 1.3.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with the edit_posts capability, such as contributors and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected 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": "2026-04-08T16:38:07.939Z"}}}, "cveMetadata": {"cveId": "CVE-2023-2406", "state": "PUBLISHED", "dateUpdated": "2026-04-08T16:38:07.939Z", "dateReserved": "2023-04-28T16:10:47.991Z", "assignerOrgId": "b15e7b5b-3da4-40ae-a43c-f7aa60e62599", "datePublished": "2023-06-03T04:35:12.933Z", "assignerShortName": "Wordfence"}, "dataVersion": "5.2"}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Event Registration Calendar By vcita", "vendor": "vcita", "versions": [{"lessThanOrEqual": "1.3.1", "status": "affected", "version": "0", "versionType": "semver"}]}, {"defaultStatus": "unaffected", "product": "Online Payments \u2013 Get Paid with PayPal, Square & Stripe", "vendor": "vcita", "versions": [{"lessThanOrEqual": "3.9.1", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:vcita:event_registration_calendar_by_vcita:*:*:*:*:*:wordpress:*:*", "matchCriteriaId": "056C8523-49C7-4FD6-937B-861025FF38B9", "versionEndIncluding": "3.9.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:vcita:online_payments_-_get_paid_with_paypal\\,_square_\\&_stripe:*:*:*:*:*:wordpress:*:*", "matchCriteriaId": "83E52AEC-9136-4506-A71D-885228E41361", "versionEndIncluding": "1.3.1", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The Event Registration Calendar By vcita plugin, versions up to and including 3.9.1, and Online Payments \u2013 Get Paid with PayPal, Square & Stripe plugin, for WordPress are vulnerable to Stored Cross-Site Scripting via the 'email' parameter in versions up to, and including, 1.3.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers with the edit_posts capability, such as contributors and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}, {"lang": "es", "value": "El plugin Event Registration Calendar By vcita, versiones hasta la 3.9.1 inlcusive, y el plugin Online Payments \u2013 Get Paid with PayPal, Square &amp; Stripe, para WordPress son vulnerables a Cross-Site Scripting almacenado a trav\u00e9s del par\u00e1metro \"email\" en versiones hasta la 1.3.1 inclusive, debido a un insuficiente saneamiento de entrada y escape de salida. Esto hace posible que atacantes autenticados con la capacidad \"edit_posts\", como los contribuidores y superiores, inyecten scripts web arbitrarios en p\u00e1ginas que se ejecutar\u00e1n cada vez que un usuario acceda a una p\u00e1gina inyectada. "}], "id": "CVE-2023-2406", "lastModified": "2026-06-17T05:52:29.453", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.1, "impactScore": 2.7, "source": "security@wordfence.com", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2023-2406", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-12-20T23:29:52.131388Z", "version": "2.0.3"}}]}, "published": "2023-06-03T05:15:09.717", "references": [{"source": "security@wordfence.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blog.jonh.eu/blog/security-vulnerabilities-in-wordpress-plugins-by-vcita"}, {"source": "security@wordfence.com", "tags": ["Exploit"], "url": "https://plugins.trac.wordpress.org/browser/event-registration-calendar-by-vcita/trunk/system/parse_vcita_callback.php#L55"}, {"source": "security@wordfence.com", "tags": ["Exploit"], "url": "https://plugins.trac.wordpress.org/browser/paypal-payment-button-by-vcita/trunk/system/parse_vcita_callback.php"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/2924423/paypal-payment-button-by-vcita"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2924420%40event-registration-calendar-by-vcita&new=2924420%40event-registration-calendar-by-vcita&sfp_email=&sfph_mail="}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2924423%40paypal-payment-button-by-vcita&new=2924423%40paypal-payment-button-by-vcita&sfp_email=&sfph_mail="}, {"source": "security@wordfence.com", "tags": ["Broken Link"], "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/1ab05954-9999-43ff-8e3c-a987e2da1956?source=cve"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit", "Third Party Advisory"], "url": "https://blog.jonh.eu/blog/security-vulnerabilities-in-wordpress-plugins-by-vcita"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "https://plugins.trac.wordpress.org/browser/event-registration-calendar-by-vcita/trunk/system/parse_vcita_callback.php#L55"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Exploit"], "url": "https://plugins.trac.wordpress.org/browser/paypal-payment-button-by-vcita/trunk/system/parse_vcita_callback.php"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Broken Link"], "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/1ab05954-9999-43ff-8e3c-a987e2da1956?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@wordfence.com", "type": "Secondary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{}

{}