CVE-2026-120466 (GCVE-0-2026-120466)

Vulnerability from cvelistv5 – Published: 2026-11-12 17:57 – Updated: 2026-11-12 17:57
VLAI
Title
Joomla / WordPress Extension - acymailing.com - Missing authorization on subscription changes in AcyMailing 1.0.0 - 11.1.1
Summary
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.
Severity
8.8 (High)
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
CWE
Assigner
Joomla CNA
References
URL Tags
https://www.acymailing.com/ product
Impacted products
Credits
Phil Taylor / mySites.guru K1nako / Ghent University VDP https://vdp.ugent.be
Show details on NVD website
To clipboard 

{
  "containers": {
    "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"
        }
      ],
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          "lang": "en",
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              "type": "text/html",
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            }
          ],
          "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\u0027s 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": [
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              "value": "GENERAL"
            }
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      ],
      "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": "2026-11-12T17:57:55.856Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}



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