FKIE_CVE-2026-25688

Vulnerability from fkie_nvd - Published: 2026-06-09 09:16 - Updated: 2026-07-23 08:10
Severity
6.1 (Medium) - CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Summary
Improper Neutralization of Alternate XSS Syntax vulnerability in Apache Answer. This issue affects Apache Answer: through 2.0.0. AI-generated response content was rendered in the browser without proper sanitization, allowing malicious scripts to be executed when the content was viewed. Users are recommended to upgrade to version 2.0.1, which fixes the issue.
References
security@apache.orghttps://lists.apache.org/thread/x42joj43rqb38ms5q60f7bgq3qbo7t5qMailing List, Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2026/06/09/7Mailing List, Third Party Advisory
Impacted products
Vendor Product Version
apache answer *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "defaultStatus": "unaffected",
          "product": "Apache Answer",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "2.0.0",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@apache.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apache:answer:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "8B9547BB-CB67-4B4D-B33D-4BF889D6E311",
              "versionEndExcluding": "2.0.1",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Improper Neutralization of Alternate XSS Syntax vulnerability in Apache Answer.\n\nThis issue affects Apache Answer: through 2.0.0.\n\nAI-generated response content was rendered in the browser without proper sanitization, allowing malicious scripts to be executed when the content was viewed.\nUsers are recommended to upgrade to version 2.0.1, which fixes the issue."
    },
    {
      "lang": "es",
      "value": "Vulnerabilidad de Neutralizaci\u00f3n Incorrecta de Sintaxis XSS Alternativa en Apache Answer.\n\nEste problema afecta a Apache Answer: hasta la versi\u00f3n 2.0.0.\n\nEl contenido de respuesta generado por IA se renderizaba en el navegador sin la sanitizaci\u00f3n adecuada, permitiendo que scripts maliciosos se ejecutaran cuando se visualizaba el contenido.\nSe recomienda a los usuarios actualizar a la versi\u00f3n 2.0.1, que corrige el problema."
    }
  ],
  "id": "CVE-2026-25688",
  "lastModified": "2026-07-23T08:10:00.137",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.1,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "NONE",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 2.7,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-25688",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-06-09T14:56:37.215499Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-06-09T09:16:28.780",
  "references": [
    {
      "source": "security@apache.org",
      "tags": [
        "Mailing List",
        "Vendor Advisory"
      ],
      "url": "https://lists.apache.org/thread/x42joj43rqb38ms5q60f7bgq3qbo7t5q"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2026/06/09/7"
    }
  ],
  "sourceIdentifier": "security@apache.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-87"
        }
      ],
      "source": "security@apache.org",
      "type": "Secondary"
    }
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.