{"api_version":"1","generated_at":"2026-11-12T23:55:27+00:00","cve":"CVE-2026-120466","urls":{"html":"https://cve.report/CVE-2026-120466","api":"https://cve.report/api/cve/CVE-2026-120466.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-120466","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-120466"},"summary":{"title":"Joomla / WordPress Extension - acymailing.com - Missing authorization on subscription changes in AcyMailing 1.0.0 - 11.1.1","description":"Joomla / WordPress Extension - acymailing.com - Missing authorization on subscription changes in AcyMailing 1.0.0 - 11.1.1 - An unauthenticated attacker who knows a subscriber's email address can unsubscribe that subscriber from one mailing list or from every mailing lists, without proving that the address is theirs. The affected feature also lets an attacker determine whether a given email address belongs to a subscriber of the site.","state":"PUBLISHED","assigner":"Joomla","published_at":"2026-11-12 18:17:18","updated_at":"2026-11-12 22:19:08"},"problem_types":["CWE-862","CWE-862 CWE-862 Missing Authorisation"],"metrics":[{"version":"4.0","source":"security@joomla.org","type":"Secondary","score":"8.8","severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","data":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}},{"version":"4.0","source":"CNA","type":"CVSS","score":"8.8","severity":"HIGH","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","data":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.8,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"}}],"references":[{"url":"https://www.acymailing.com/","name":"https://www.acymailing.com/","refsource":"security@joomla.org","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-120466","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-120466","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Datasolution","product":"AcyMailing extension for Joomla and WordPress","version":"affected 1.0.0-11.1.1","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[{"source":"CNA","value":"Phil Taylor / mySites.guru","lang":"en"},{"source":"CNA","value":"K1nako / Ghent University VDP https://vdp.ugent.be","lang":"en"}],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"adp":[{"metrics":[{"other":{"content":{"id":"CVE-2026-120466","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","timestamp":"2026-11-12T21:34:47.205688Z","version":"2.0.3"},"type":"ssvc"}}],"providerMetadata":{"dateUpdated":"2026-11-12T21:39:58.130Z","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP"},"title":"CISA ADP Vulnrichment"}],"cna":{"affected":[{"defaultStatus":"unaffected","product":"AcyMailing extension for Joomla and WordPress","vendor":"Datasolution","versions":[{"status":"affected","version":"1.0.0-11.1.1"}]}],"credits":[{"lang":"en","type":"finder","value":"Phil Taylor / mySites.guru"},{"lang":"en","type":"finder","value":"K1nako / Ghent University VDP https://vdp.ugent.be"}],"descriptions":[{"lang":"en","supportingMedia":[{"base64":false,"type":"text/html","value":"Joomla / WordPress Extension - acymailing.com - Missing authorization on subscription changes in AcyMailing 1.0.0 - 11.1.1 - An unauthenticated attacker who knows a subscriber's email address can unsubscribe that subscriber from one mailing list or from every mailing lists, without proving that the address is theirs. The affected feature also lets an attacker determine whether a given email address belongs to a subscriber of the site."}],"value":"Joomla / WordPress Extension - acymailing.com - Missing authorization on subscription changes in AcyMailing 1.0.0 - 11.1.1 - An unauthenticated attacker who knows a subscriber's email address can unsubscribe that subscriber from one mailing list or from every mailing lists, without proving that the address is theirs. The affected feature also lets an attacker determine whether a given email address belongs to a subscriber of the site."}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"NETWORK","baseScore":8.8,"baseSeverity":"HIGH","exploitMaturity":"NOT_DEFINED","privilegesRequired":"NONE","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","userInteraction":"NONE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-862","description":"CWE-862 Missing Authorisation","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2026-11-12T17:57:55.856Z","orgId":"6ff30186-7fb7-4ad9-be33-533e7b05e586","shortName":"Joomla"},"references":[{"tags":["product"],"url":"https://www.acymailing.com/"}],"source":{"discovery":"UNKNOWN"},"title":"Joomla / WordPress Extension - acymailing.com - Missing authorization on subscription changes in AcyMailing 1.0.0 - 11.1.1","x_generator":{"engine":"Vulnogram 0.1.0-dev"}}},"cveMetadata":{"assignerOrgId":"6ff30186-7fb7-4ad9-be33-533e7b05e586","assignerShortName":"Joomla","cveId":"CVE-2026-120466","datePublished":"2026-11-12T17:57:55.856Z","dateReserved":"2026-11-02T13:30:27.837Z","dateUpdated":"2026-11-12T21:39:58.130Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-11-12 18:17:18","lastModifiedDate":"2026-11-12 22:19:08","problem_types":["CWE-862","CWE-862 CWE-862 Missing Authorisation"],"metrics":{"cvssMetricV40":[{"source":"security@joomla.org","type":"Secondary","cvssData":{"version":"4.0","vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:H/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","baseScore":8.8,"baseSeverity":"HIGH","attackVector":"NETWORK","attackComplexity":"LOW","attackRequirements":"NONE","privilegesRequired":"NONE","userInteraction":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"HIGH","vulnAvailabilityImpact":"NONE","subConfidentialityImpact":"NONE","subIntegrityImpact":"NONE","subAvailabilityImpact":"NONE","exploitMaturity":"NOT_DEFINED","confidentialityRequirement":"NOT_DEFINED","integrityRequirement":"NOT_DEFINED","availabilityRequirement":"NOT_DEFINED","modifiedAttackVector":"NOT_DEFINED","modifiedAttackComplexity":"NOT_DEFINED","modifiedAttackRequirements":"NOT_DEFINED","modifiedPrivilegesRequired":"NOT_DEFINED","modifiedUserInteraction":"NOT_DEFINED","modifiedVulnConfidentialityImpact":"NOT_DEFINED","modifiedVulnIntegrityImpact":"NOT_DEFINED","modifiedVulnAvailabilityImpact":"NOT_DEFINED","modifiedSubConfidentialityImpact":"NOT_DEFINED","modifiedSubIntegrityImpact":"NOT_DEFINED","modifiedSubAvailabilityImpact":"NOT_DEFINED","Safety":"NOT_DEFINED","Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","valueDensity":"NOT_DEFINED","vulnerabilityResponseEffort":"NOT_DEFINED","providerUrgency":"NOT_DEFINED"}}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-11-12T21:34:47.205688Z","id":"CVE-2026-120466","options":[{"exploitation":"none"},{"automatable":"yes"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"120466","Ordinal":"1","Title":"Joomla / WordPress Extension - acymailing.com - Missing authoriz","CVE":"CVE-2026-120466","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"120466","Ordinal":"1","NoteData":"Joomla / WordPress Extension - acymailing.com - Missing authorization on subscription changes in AcyMailing 1.0.0 - 11.1.1 - An unauthenticated attacker who knows a subscriber's email address can unsubscribe that subscriber from one mailing list or from every mailing lists, without proving that the address is theirs. The affected feature also lets an attacker determine whether a given email address belongs to a subscriber of the site.","Type":"Description","Title":"Joomla / WordPress Extension - acymailing.com - Missing authoriz"}]}}}