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CVE-2023-47813

Status: ModifiedMedium (5.4)—

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in grandslambert Better RSS Widget plugin <= 2.8.1 versions.

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)

Grandslambert — Better RSS Widget

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2023-47813",
  "cveTags": [],
  "metrics": {
    "cvssMetricV31": [
      {
        "type": "Secondary",
        "source": "audit@patchstack.com",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 6.5,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "LOW",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 3.7,
        "exploitabilityScore": 2.3
      },
      {
        "type": "Primary",
        "source": "nvd@nist.gov",
        "cvssData": {
          "scope": "CHANGED",
          "version": "3.1",
          "baseScore": 5.4,
          "attackVector": "NETWORK",
          "baseSeverity": "MEDIUM",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "integrityImpact": "LOW",
          "userInteraction": "REQUIRED",
          "attackComplexity": "LOW",
          "availabilityImpact": "NONE",
          "privilegesRequired": "LOW",
          "confidentialityImpact": "LOW"
        },
        "impactScore": 2.7,
        "exploitabilityScore": 2.3
      }
    ]
  },
  "affected": [
    {
      "source": "audit@patchstack.com",
      "affectedData": [
        {
          "vendor": "grandslambert",
          "product": "Better RSS Widget",
          "versions": [
            {
              "status": "affected",
              "version": "n/a",
              "versionType": "custom",
              "lessThanOrEqual": "2.8.1"
            }
          ],
          "packageName": "better-rss-widget",
          "collectionURL": "https://wordpress.org/plugins",
          "defaultStatus": "unaffected"
        }
      ]
    }
  ],
  "published": "2023-11-22T23:15:09.160",
  "references": [
    {
      "url": "https://patchstack.com/database/vulnerability/better-rss-widget/wordpress-better-rss-widget-plugin-2-8-1-cross-site-scripting-xss-vulnerability?_s_id=cve",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "audit@patchstack.com"
    },
    {
      "url": "https://patchstack.com/database/vulnerability/better-rss-widget/wordpress-better-rss-widget-plugin-2-8-1-cross-site-scripting-xss-vulnerability?_s_id=cve",
      "tags": [
        "Exploit",
        "Third Party Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Secondary",
      "source": "audit@patchstack.com",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in grandslambert Better RSS Widget plugin <= 2.8.1 versions."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de neutralización inadecuada de la entrada durante la generación de páginas web ('cross-site Scripting') en el complemento grandslambert Better RSS Widget en versiones &lt;= 2.8.1."
    }
  ],
  "lastModified": "2026-06-17T06:33:19.980",
  "configurations": [
    {
      "nodes": [
        {
          "negate": false,
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:grandslambert:better_rss_widget:*:*:*:*:*:wordpress:*:*",
              "vulnerable": true,
              "matchCriteriaId": "5F444763-91C3-46C9-933B-C86CE9BBD26B",
              "versionEndIncluding": "2.8.1"
            }
          ],
          "operator": "OR"
        }
      ]
    }
  ],
  "sourceIdentifier": "audit@patchstack.com"
}