FKIE_CVE-2026-82396

Vulnerability from fkie_nvd - Published: 2026-08-31 22:17 - Updated: 2026-09-08 21:11
Severity
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Summary
Sulu is an open-source PHP content management system based on the Symfony framework. Prior to versions 2.6.25 and 3.0.8, src/Sulu/Bundle/MediaBundle/Controller/MediaStreamController.php allows the /media/{id}/download/{slug} route and its administration variant to honor the inline query parameter for scriptable MIME types. The vulnerable stored Content-Type values include text/html, application/xhtml+xml, text/xml, and application/xml. An attacker with media upload permission can store an HTML, XHTML, or XML document and create a link using inline=1, causing the application to return the file on the Sulu origin instead of forcing Content-Disposition attachment. When an authenticated victim opens the link, attacker-controlled JavaScript can execute with the victim's Sulu-origin session and can read data or perform actions as that victim. This issue is fixed in versions 2.6.25 and 3.0.8.
References
security-advisories@github.comhttps://github.com/sulu/sulu/commit/d061094f5b7bb1d5e974544fce30bede9c7adf8e
security-advisories@github.comhttps://github.com/sulu/sulu/releases/tag/2.6.25
security-advisories@github.comhttps://github.com/sulu/sulu/releases/tag/3.0.8
security-advisories@github.comhttps://github.com/sulu/sulu/security/advisories/GHSA-pp4x-ccxq-6r33
Impacted products
Vendor Product Version
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "sulu",
          "vendor": "sulu",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.6.25"
            },
            {
              "status": "affected",
              "version": "\u003e= 3.0.0-alpha1, \u003c 3.0.8"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Sulu is an open-source PHP content management system based on the Symfony framework. Prior to versions 2.6.25 and 3.0.8, src/Sulu/Bundle/MediaBundle/Controller/MediaStreamController.php allows the /media/{id}/download/{slug} route and its administration variant to honor the inline query parameter for scriptable MIME types. The vulnerable stored Content-Type values include text/html, application/xhtml+xml, text/xml, and application/xml. An attacker with media upload permission can store an HTML, XHTML, or XML document and create a link using inline=1, causing the application to return the file on the Sulu origin instead of forcing Content-Disposition attachment. When an authenticated victim opens the link, attacker-controlled JavaScript can execute with the victim\u0027s Sulu-origin session and can read data or perform actions as that victim. This issue is fixed in versions 2.6.25 and 3.0.8."
    }
  ],
  "id": "CVE-2026-82396",
  "lastModified": "2026-09-08T21:11:31.703",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-82396",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-09-01T14:28:25.862691Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-08-31T22:17:22.780",
  "references": [
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/sulu/sulu/commit/d061094f5b7bb1d5e974544fce30bede9c7adf8e"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/sulu/sulu/releases/tag/2.6.25"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/sulu/sulu/releases/tag/3.0.8"
    },
    {
      "source": "security-advisories@github.com",
      "url": "https://github.com/sulu/sulu/security/advisories/GHSA-pp4x-ccxq-6r33"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Deferred",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}



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