CVE-2026-42756

{
  "id": "CVE-2026-42756",
  "sourceIdentifier": "[email protected]",
  "published": "2026-05-27T11:16:22.100",
  "lastModified": "2026-10-26T11:10:00.157",
  "vulnStatus": "Deferred",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in Ludwig You QuickWebP &#8211; Compress / Optimize Images &amp; Convert WebP | SEO Friendly quickwebp allows Path Traversal.This issue affects QuickWebP &#8211; Compress / Optimize Images &amp; Convert WebP | SEO Friendly: from n/a through <= 3.2.7."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de limitación inadecuada de un nombre de ruta a un directorio restringido (’Salto de ruta’) en Ludwig You QuickWebP - Compress / Optimize Images & Convert WebP | SEO Friendly quickwebp permite el salto de ruta. Este problema afecta a QuickWebP - Compress / Optimize Images & Convert WebP | SEO Friendly: desde n/a hasta menor o igual que 3.2.7."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Ludwig You",
          "product": "QuickWebP &#8211; Compress / Optimize Images &amp; Convert WebP | SEO Friendly",
          "defaultStatus": "unaffected",
          "collectionURL": "https://wordpress.org/plugins",
          "packageName": "quickwebp",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "3.2.7",
              "versionType": "custom",
              "status": "affected",
              "changes": [
                {
                  "at": "3.2.8",
                  "status": "unaffected"
                }
              ]
            }
          ]
        }
      ]
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "[email protected]",
        "type": "Secondary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H",
          "baseScore": 9.9,
          "baseSeverity": "CRITICAL",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "LOW",
          "userInteraction": "NONE",
          "scope": "CHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH"
        },
        "exploitabilityScore": 3.1,
        "impactScore": 6.0
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "timestamp": "2026-05-27T10:43:03.135447Z",
          "id": "CVE-2026-42756",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "version": "2.0.3"
        }
      }
    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-22"
        }
      ]
    }
  ],
  "references": [
    {
      "url": "https://patchstack.com/database/Wordpress/Plugin/quickwebp/vulnerability/wordpress-quickwebp-compress-optimize-images-convert-webp-seo-friendly-plugin-3-2-7-arbitrary-file-deletion-vulnerability?_s_id=cve",
      "source": "[email protected]"
    }
  ]
}