FKIE_CVE-2026-23794

Vulnerability from fkie_nvd - Published: 2026-02-03 16:16 - Updated: 2026-06-17 10:22
Severity
6.8 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N
Summary
Reflected XSS in Apache Syncope's Enduser Login page. An attacker that tricks a legitimate user into clicking a malicious link and logging in to Syncope Enduser could steal that user's credentials. This issue affects Apache Syncope: from 3.0 through 3.0.15, from 4.0 through 4.0.3. Users are recommended to upgrade to version 3.0.16 / 4.0.4, which fix this issue.
References
security@apache.orghttps://lists.apache.org/thread/7h30ghqdsf3spl3h7gdmscxofrm8ygjoMailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2026/02/02/1Mailing List, Third Party Advisory
Impacted products
Vendor Product Version
apache syncope *
apache syncope *
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "collectionURL": "https://repo.maven.apache.org/maven2",
          "defaultStatus": "unaffected",
          "packageName": "org.apache.syncope.client.idrepo:syncope-client-idrepo-common-ui",
          "product": "Apache Syncope",
          "vendor": "Apache Software Foundation",
          "versions": [
            {
              "lessThanOrEqual": "3.0.15",
              "status": "affected",
              "version": "3.0",
              "versionType": "semver"
            },
            {
              "lessThanOrEqual": "4.0.3",
              "status": "affected",
              "version": "4.0",
              "versionType": "semver"
            }
          ]
        }
      ],
      "source": "security@apache.org"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:apache:syncope:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "E48D90FB-E49B-4FD5-B184-3049D3087635",
              "versionEndExcluding": "3.0.16",
              "versionStartIncluding": "3.0.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:apache:syncope:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "877C8861-D17C-4BBE-A0C0-E3FDACB7CF9C",
              "versionEndExcluding": "4.0.4",
              "versionStartIncluding": "4.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Reflected XSS in Apache Syncope\u0027s Enduser Login page.\nAn attacker that tricks a legitimate user into clicking a malicious link and logging in to Syncope Enduser could steal that user\u0027s credentials.\n\nThis issue affects Apache Syncope: from 3.0 through 3.0.15, from 4.0 through 4.0.3.\n\nUsers are recommended to upgrade to version 3.0.16 / 4.0.4, which fix this issue."
    },
    {
      "lang": "es",
      "value": "XSS Reflejado en la p\u00e1gina de inicio de sesi\u00f3n de usuario final de Apache Syncope.\nUn atacante que enga\u00f1a a un usuario leg\u00edtimo para que haga clic en un enlace malicioso y se conecte a Syncope Enduser podr\u00eda robar las credenciales de ese usuario.\n\nEste problema afecta a Apache Syncope: desde la 3.0 hasta la 3.0.15, desde la 4.0 hasta la 4.0.3.\n\nSe recomienda a los usuarios actualizar a la versi\u00f3n 3.0.16 / 4.0.4, que corrige este problema."
    }
  ],
  "id": "CVE-2026-23794",
  "lastModified": "2026-06-17T10:22:06.513",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 4.0,
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "type": "Secondary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2026-23794",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2026-02-03T16:01:19.601825Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2026-02-03T16:16:13.183",
  "references": [
    {
      "source": "security@apache.org",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "https://lists.apache.org/thread/7h30ghqdsf3spl3h7gdmscxofrm8ygjo"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Mailing List",
        "Third Party Advisory"
      ],
      "url": "http://www.openwall.com/lists/oss-security/2026/02/02/1"
    }
  ],
  "sourceIdentifier": "security@apache.org",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "security@apache.org",
      "type": "Secondary"
    }
  ]
}


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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.