WordPress Anti Spam and list cleaner – AcyChecker plugin <= 1.8.1 - Cross Site Scripting (XSS) vulnerability

{
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2",
  "cveMetadata": {
    "cveId": "CVE-2026-65448",
    "assignerOrgId": "21595511-bba5-4825-b968-b78d1f9984a3",
    "assignerShortName": "Patchstack",
    "dateUpdated": "2026-07-27T22:44:07.710Z",
    "dateReserved": "2026-07-22T08:53:04.434Z",
    "datePublished": "2026-07-27T22:44:07.710Z",
    "state": "PUBLISHED"
  },
  "containers": {
    "cna": {
      "providerMetadata": {
        "orgId": "21595511-bba5-4825-b968-b78d1f9984a3",
        "shortName": "Patchstack",
        "dateUpdated": "2026-07-27T22:44:07.710Z"
      },
      "title": "WordPress Anti Spam and list cleaner – AcyChecker plugin <= 1.8.1 - Cross Site Scripting (XSS) vulnerability",
      "descriptions": [
        {
          "lang": "en",
          "value": "Unauthenticated Cross Site Scripting (XSS) in Anti Spam and list cleaner &#8211; AcyChecker <= 1.8.1 versions.",
          "supportingMedia": [
            {
              "type": "text/html",
              "base64": false,
              "value": "Unauthenticated Cross Site Scripting (XSS) in Anti Spam and list cleaner &#8211; AcyChecker <= 1.8.1 versions."
            }
          ]
        }
      ],
      "affected": [
        {
          "vendor": "AcyMailing Newsletter Team",
          "product": "Anti Spam and list cleaner &#8211; AcyChecker",
          "collectionURL": "https://wordpress.org/plugins",
          "packageName": "acychecker",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "n/a",
              "status": "affected",
              "versionType": "custom",
              "lessThanOrEqual": "1.8.1"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "lang": "en",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')",
              "cweId": "CWE-79",
              "type": "CWE"
            }
          ]
        }
      ],
      "references": [
        {
          "url": "https://patchstack.com/database/wordpress/plugin/acychecker/vulnerability/wordpress-anti-spam-and-list-cleaner-acychecker-plugin-1-8-1-cross-site-scripting-xss-vulnerability?_s_id=cve",
          "tags": [
            "vdb-entry"
          ]
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-588",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-588 DOM-Based XSS"
            }
          ]
        }
      ],
      "metrics": [
        {
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ],
          "cvssV3_1": {
            "version": "3.1",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L",
            "attackVector": "NETWORK",
            "attackComplexity": "LOW",
            "privilegesRequired": "LOW",
            "userInteraction": "REQUIRED",
            "scope": "CHANGED",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "availabilityImpact": "LOW",
            "baseScore": 6.5,
            "baseSeverity": "MEDIUM"
          }
        }
      ],
      "solutions": [
        {
          "lang": "en",
          "value": "Update the WordPress Anti Spam and list cleaner &#8211; AcyChecker Plugin to the latest available version (at least 2.0.0).",
          "supportingMedia": [
            {
              "type": "text/html",
              "base64": false,
              "value": "Update the WordPress Anti Spam and list cleaner &#8211; AcyChecker Plugin to the latest available version (at least 2.0.0)."
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "Trương Hữu Phúc (truonghuuphuc) | Patchstack Bug Bounty Program",
          "user": "00000000-0000-4000-9000-000000000000",
          "type": "finder"
        }
      ]
    }
  }
}