{"api_version":"1","generated_at":"2026-07-24T18:44:34+00:00","cve":"CVE-2022-39297","urls":{"html":"https://cve.report/CVE-2022-39297","api":"https://cve.report/api/cve/CVE-2022-39297.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2022-39297","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2022-39297"},"summary":{"title":"CVE-2022-39297","description":"MelisCms provides a full CMS for Melis Platform, including templating system, drag'n'drop of plugins, SEO and many administration tools. Attackers can deserialize arbitrary data on affected versions of `melisplatform/melis-cms`, and ultimately leads to the execution of arbitrary PHP code on the system. Conducting this attack does not require authentication. Users should immediately upgrade to `melisplatform/melis-cms` >= 5.0.1. This issue was addressed by restricting allowed classes when deserializing user-controlled data.","state":"PUBLIC","assigner":"security-advisories@github.com","published_at":"2022-10-12 23:15:00","updated_at":"2022-10-13 17:35:00"},"problem_types":["CWE-502"],"metrics":[],"references":[{"url":"https://github.com/melisplatform/melis-cms/commit/d124b2474699a679a24ec52620cadceb3d4cec11","name":"https://github.com/melisplatform/melis-cms/commit/d124b2474699a679a24ec52620cadceb3d4cec11","refsource":"MISC","tags":[],"title":"added allowed_classes=false param to unserialize func · melisplatform/melis-cms@d124b24 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/melisplatform/melis-cms/security/advisories/GHSA-m3m3-6gww-7gj9","name":"https://github.com/melisplatform/melis-cms/security/advisories/GHSA-m3m3-6gww-7gj9","refsource":"CONFIRM","tags":[],"title":"Deserialization of untrusted data in \\MelisCms\\Controller\\FrontPluginsController · Advisory · melisplatform/melis-cms · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2022-39297","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2022-39297","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2022","cve_id":"39297","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"melistechnology","cpe5":"meliscms","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2022-39297","STATE":"PUBLIC","TITLE":"Deserialization of untrusted data in MelisCms"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"melis-cms","version":{"version_data":[{"version_value":"<= 5.0.0"}]}}]},"vendor_name":"melisplatform"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"MelisCms provides a full CMS for Melis Platform, including templating system, drag'n'drop of plugins, SEO and many administration tools. Attackers can deserialize arbitrary data on affected versions of `melisplatform/melis-cms`, and ultimately leads to the execution of arbitrary PHP code on the system. Conducting this attack does not require authentication. Users should immediately upgrade to `melisplatform/melis-cms` >= 5.0.1. This issue was addressed by restricting allowed classes when deserializing user-controlled data."}]},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"LOW","baseScore":7.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-502: Deserialization of Untrusted Data"}]}]},"references":{"reference_data":[{"name":"https://github.com/melisplatform/melis-cms/security/advisories/GHSA-m3m3-6gww-7gj9","refsource":"CONFIRM","url":"https://github.com/melisplatform/melis-cms/security/advisories/GHSA-m3m3-6gww-7gj9"},{"name":"https://github.com/melisplatform/melis-cms/commit/d124b2474699a679a24ec52620cadceb3d4cec11","refsource":"MISC","url":"https://github.com/melisplatform/melis-cms/commit/d124b2474699a679a24ec52620cadceb3d4cec11"}]},"source":{"advisory":"GHSA-m3m3-6gww-7gj9","discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2022-10-12 23:15:00","lastModifiedDate":"2022-10-13 17:35:00","problem_types":["CWE-502"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.9}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:melistechnology:meliscms:*:*:*:*:*:*:*:*","versionEndExcluding":"5.0.1","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}