CVE-2026-21331

{
  "id": "CVE-2026-21331",
  "sourceIdentifier": "[email protected]",
  "published": "2026-04-14T18:16:43.953",
  "lastModified": "2026-10-26T21:10:00.170",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Adobe Connect versions 2025.3, 12.10 and earlier are affected by a reflected Cross-Site Scripting (XSS) vulnerability. If an attacker is able to convince a victim to visit a URL referencing a vulnerable page, malicious JavaScript content may be executed within the context of the victim's browser. Scope is changed."
    },
    {
      "lang": "es",
      "value": "Las versiones 2025.3, 12.10 y anteriores de Adobe Connect están afectadas por una vulnerabilidad de cross-site scripting (XSS) reflejado. Si un atacante logra convencer a una víctima de visitar una URL que haga referencia a una página vulnerable, contenido JavaScript malicioso podría ejecutarse dentro del contexto del navegador de la víctima. El alcance se modifica."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "Adobe",
          "product": "Adobe Connect",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "12.10",
              "versionType": "semver",
              "status": "affected"
            },
            {
              "version": "12.11",
              "versionType": "semver",
              "status": "unaffected"
            }
          ]
        },
        {
          "vendor": "Adobe",
          "product": "Adobe Connect Desktop Application",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThanOrEqual": "2025.3",
              "versionType": "custom",
              "status": "affected"
            },
            {
              "version": "2025.9",
              "versionType": "custom",
              "status": "unaffected"
            }
          ]
        }
      ]
    }
  ],
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        "source": "[email protected]",
        "type": "Secondary",
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          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "REQUIRED",
          "scope": "CHANGED",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7
      }
    ],
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        "ssvcData": {
          "timestamp": "2026-04-14T18:33:02.818574Z",
          "id": "CVE-2026-21331",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
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              "technicalImpact": "partial"
            }
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          "role": "CISA Coordinator",
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        }
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    ]
  },
  "weaknesses": [
    {
      "source": "[email protected]",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ]
    }
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  "references": [
    {
      "url": "https://helpx.adobe.com/security/products/connect/apsb26-37.html",
      "source": "[email protected]",
      "tags": [
        "Vendor Advisory"
      ]
    }
  ]
}