CVE-2020-26679

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "descriptions": [{"lang": "en", "value": "vFairs 3.3 is affected by Insecure Permissions. Any user logged in to a vFairs virtual conference or event can modify any other users profile information or profile picture. After receiving any user's unique identification number and their own, an HTTP POST request can be made update their profile description or supply a new profile image. This can lead to potential cross-site scripting attacks on any user, or upload malicious PHP webshells as \"profile pictures.\" The user IDs can be easily determined by other responses from the API for an event or chat room."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2026-07-04T23:42:51.655Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"url": "https://api.vfairs.com/v1/profiles"}, {"url": "https://api.vfairs.com/v1/profiles?access_key="}, {"url": "https://www.huntress.com/blog/zero-day-vulnerabilities-in-popular-event-management-platforms-could-leave-msps-open-to-attack"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "cve@mitre.org", "ID": "CVE-2020-26679", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "n/a", "version": {"version_data": [{"version_value": "n/a"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "vFairs 3.3 is affected by Insecure Permissions. Any user logged in to a vFairs virtual conference or event can modify any other users profile information or profile picture. After receiving any user's unique identification number and their own, an HTTP POST request can be made update their profile description or supply a new profile image. This can lead to potential cross-site scripting attacks on any user, or upload malicious PHP webshells as \"profile pictures.\" The user IDs can be easily determined by other responses from the API for an event or chat room."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "n/a"}]}]}, "references": {"reference_data": [{"name": "http://vfairs.com", "refsource": "MISC", "url": "http://vfairs.com"}, {"name": "https://api.vfairs.com/v1/profiles", "refsource": "MISC", "url": "https://api.vfairs.com/v1/profiles"}, {"name": "https://api.vfairs.com/v1/profiles?access_key=", "refsource": "MISC", "url": "https://api.vfairs.com/v1/profiles?access_key="}, {"name": "https://www.huntress.com/blog/zero-day-vulnerabilities-in-popular-event-management-platforms-could-leave-msps-open-to-attack", "refsource": "MISC", "url": "https://www.huntress.com/blog/zero-day-vulnerabilities-in-popular-event-management-platforms-could-leave-msps-open-to-attack"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2026-07-09T00:11:29.145Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://api.vfairs.com/v1/profiles"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://api.vfairs.com/v1/profiles?access_key="}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.huntress.com/blog/zero-day-vulnerabilities-in-popular-event-management-platforms-could-leave-msps-open-to-attack"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2020-26679", "datePublished": "2021-05-26T11:53:14.000Z", "dateReserved": "2020-10-07T00:00:00.000Z", "dateUpdated": "2026-07-09T00:11:29.145Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.2"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:vfairs:vfairs:3.3:*:*:*:*:*:*:*", "matchCriteriaId": "268E584B-2BC1-4FA1-89F9-0E536422CCA3", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "vFairs 3.3 is affected by Insecure Permissions. Any user logged in to a vFairs virtual conference or event can modify any other users profile information or profile picture. After receiving any user's unique identification number and their own, an HTTP POST request can be made update their profile description or supply a new profile image. This can lead to potential cross-site scripting attacks on any user, or upload malicious PHP webshells as \"profile pictures.\" The user IDs can be easily determined by other responses from the API for an event or chat room."}, {"lang": "es", "value": "vFairs versi\u00f3n 3.3 est\u00e1 afectado por permisos no seguros. Cualquier usuario que haya iniciado sesi\u00f3n en una conferencia o evento virtual de vFairs puede modificar la informaci\u00f3n de perfil o la imagen de perfil de cualquier otro usuario. Despu\u00e9s de recibir el n\u00famero de identificaci\u00f3n \u00fanico de cualquier usuario y el suyo propio, puede ser realizada una petici\u00f3n HTTP POST para actualizar la descripci\u00f3n de su perfil o proporcionar una nueva imagen de perfil. Esto puede conllevar a posibles ataques de tipo cross-site scripting en cualquier usuario, o cargar webshells PHP maliciosos como \"profile pictures\". Los ID de usuario se pueden determinar f\u00e1cilmente mediante otras respuestas de la API para un evento o sala de chat"}], "id": "CVE-2020-26679", "lastModified": "2026-07-09T01:16:40.937", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 4.0, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 4.3, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 1.4, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-05-26T12:15:15.900", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://api.vfairs.com/v1/profiles"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://api.vfairs.com/v1/profiles?access_key="}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://www.huntress.com/blog/zero-day-vulnerabilities-in-popular-event-management-platforms-could-leave-msps-open-to-attack"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://api.vfairs.com/v1/profiles"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://api.vfairs.com/v1/profiles?access_key="}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://www.huntress.com/blog/zero-day-vulnerabilities-in-popular-event-management-platforms-could-leave-msps-open-to-attack"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-639"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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