{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "cvssV3_1": {
              "attackComplexity": "HIGH",
              "attackVector": "NETWORK",
              "availabilityImpact": "NONE",
              "baseScore": 4.2,
              "baseSeverity": "MEDIUM",
              "confidentialityImpact": "LOW",
              "integrityImpact": "LOW",
              "privilegesRequired": "LOW",
              "scope": "UNCHANGED",
              "userInteraction": "NONE",
              "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N",
              "version": "3.1"
            }
          },
          {
            "other": {
              "content": {
                "id": "CVE-2026-87939",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2026-10-22T17:27:16.286769Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2026-10-22T17:27:21.567Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://www.drupal.org/project/feed_block",
          "product": "Feed Block",
          "repo": "https://git.drupalcode.org/project/feed_block",
          "vendor": "Drupal",
          "versions": [
            {
              "lessThan": "2.0.2",
              "status": "affected",
              "version": "0.0.0",
              "versionType": "semver"
            },
            {
              "lessThan": "3.0.2",
              "status": "affected",
              "version": "3.0.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "credits": [
        {
          "lang": "en",
          "type": "finder",
          "value": "Marcus Johansson (marcus_johansson)"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Greg Knaddison (greggles)"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "Mark Fullmer (mark_fullmer)"
        },
        {
          "lang": "en",
          "type": "remediation developer",
          "value": "mmarler"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Bram Driesen (bramdriesen)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Greg Knaddison (greggles)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Juraj Nemec (poker10)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Jess  (xjm)"
        },
        {
          "lang": "en",
          "type": "coordinator",
          "value": "Swan Kalata (akalata)"
        }
      ],
      "datePublic": "2026-09-09T17:16:58.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Feed Block allows Stored XSS. This issue affects Feed Block versions: from 0.0.0 to 2.0.2, from 3.0.0 to 3.0.2."
        }
      ],
      "impacts": [
        {
          "capecId": "CAPEC-592",
          "descriptions": [
            {
              "lang": "en",
              "value": "CAPEC-592 Stored XSS"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\")",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2026-10-22T01:22:02.857Z",
        "orgId": "2c85b837-eb8b-40ed-9d74-228c62987387",
        "shortName": "drupal"
      },
      "references": [
        {
          "url": "https://www.drupal.org/sa-contrib-2026-137"
        }
      ],
      "title": "Feed Block - Moderately critical - Cross-site scripting - SA-CONTRIB-2026-137"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "2c85b837-eb8b-40ed-9d74-228c62987387",
    "assignerShortName": "drupal",
    "cveId": "CVE-2026-87939",
    "datePublished": "2026-10-22T01:22:02.857Z",
    "dateReserved": "2026-09-09T16:56:20.052Z",
    "dateUpdated": "2026-10-22T17:27:21.567Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.2"
}