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CVE-2025-31687

Status: AnalyzedMedium (6.1)—

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal SpamSpan filter allows Cross-Site Scripting (XSS).This issue affects SpamSpan filter: from 0.0.0 before 3.2.1.

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (1)

Drowl — Spamspan Filter

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2025-31687",
  "cveTags": [],
  "metrics": {
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2025-31687",
          "role": "CISA Coordinator",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "version": "2.0.3",
          "timestamp": "2025-04-01T18:21:27.427796Z"
        }
      }
    ],
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.1,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "NONE",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.8
      }
    ]
  },
  "affected": [
    {
      "source": "mlhess@drupal.org",
      "affectedData": [
        {
          "repo": "https://git.drupalcode.org/project/spamspan",
          "vendor": "Drupal",
          "product": "SpamSpan filter",
          "versions": [
            {
              "status": "affected",
              "version": "0.0.0",
              "lessThan": "3.2.1",
              "versionType": "semver"
            }
          ],
          "collectionURL": "https://www.drupal.org/project/spamspan",
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2025-03-31T22:15:21.317",
  "references": [
    {
      "url": "https://www.drupal.org/sa-contrib-2025-016",
      "tags": [
        "Third Party Advisory"
      ],
      "source": "mlhess@drupal.org"
    }
  ],
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "mlhess@drupal.org",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal SpamSpan filter allows Cross-Site Scripting (XSS).This issue affects SpamSpan filter: from 0.0.0 before 3.2.1."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de neutralización incorrecta de la entrada durante la generación de páginas web ('Cross-site Scripting') en Drupal SpamSpan filter permite Cross-Site Scripting (XSS). Este problema afecta al filtro SpamSpan: desde la versión 0.0.0 hasta la 3.2.1."
    }
  ],
  "lastModified": "2026-06-17T09:10:46.590",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:drowl:spamspan_filter:*:*:*:*:*:drupal:*:*",
              "vulnerable": true,
              "matchCriteriaId": "12A59F07-9D30-4325-8E20-1CABA70D32F7",
              "versionEndExcluding": "3.2.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "mlhess@drupal.org"
}