Vulnerability from bitnami_vulndb
Published
2026-09-11 05:58
Modified
2026-09-11 06:12
Summary
Apache Tomcat: XSS in number guess example
Details

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess example for Apache Tomcat.

This issue affects Apache Tomcat: from 11.0.0 through 11.0.22, from 10.1.0 through 10.1.55, from 9.0.0 through 9.0.118, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other versions that have reached end of support may also be affected.

Users are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "Bitnami",
        "name": "tomcat",
        "purl": "pkg:bitnami/tomcat"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "9.0.101"
            },
            {
              "introduced": "10.0.0"
            },
            {
              "fixed": "10.1.37"
            },
            {
              "introduced": "11.0.0"
            },
            {
              "fixed": "11.0.5"
            }
          ],
          "type": "SEMVER"
        }
      ],
      "severity": [
        {
          "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "type": "CVSS_V3"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2026-50229"
  ],
  "database_specific": {
    "cpes": [
      "cpe:2.3:a:apache:tomcat:*:*:*:*:*:maven:*:*"
    ],
    "severity": "Medium"
  },
  "details": "Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) vulnerability in the number guess example for Apache Tomcat.\n\nThis issue affects Apache Tomcat: from 11.0.0 through 11.0.22, from 10.1.0 through 10.1.55, from 9.0.0 through 9.0.118, from 8.5.0 through 8.5.100, from 7.0.0 through 7.0.109. Other versions that have reached end of support may also be affected.\n\nUsers are recommended to upgrade to version 11.0.23, 10.1.56 or 9.0.119, which fix the issue.",
  "id": "BIT-tomcat-2026-50229",
  "modified": "2026-09-11T06:12:58.744Z",
  "published": "2026-09-11T05:58:16.667Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "http://www.openwall.com/lists/oss-security/2026/06/29/20"
    },
    {
      "type": "ADVISORY",
      "url": "https://lists.apache.org/thread/wlt2no8bw45zl1w8byop4zfqphldf5j0"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-50229"
    }
  ],
  "schema_version": "1.6.2",
  "summary": "Apache Tomcat: XSS in number guess example"
}



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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.
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  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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