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-M1 through 11.0.22, from 10.1.0-M1 through 10.1.55, from 9.0.0.M1 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.
CVSS Details
- CVSS 3.1 Base Score: 6.1
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Amazon Linux Ami 2 | — | Upgrade tomcat-jsvcUpgrade tomcat-libUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-el-3.0-apiUpgrade tomcat-admin-webappsUpgrade tomcat-docs-webappUpgrade tomcatUpgrade tomcat-jsp-2.3-apiUpgrade tomcat-webapps | Jul 21, 2026 | Jul 21, 2026 |
| Apache Tomcat | — | Upgrade Apache Tomcat to 9.0.119Upgrade Apache Tomcat to 10.1.56Upgrade Apache Tomcat to the latest available versionUpgrade Apache Tomcat to 11.0.23 | Jun 30, 2026 | Jun 29, 2026 |
| Debian | — | Upgrade tomcat9 | Jul 1, 2026 | Jul 1, 2026 |
| Redhat_linux | — | Upgrade tomcat9-admin-webappsUpgrade tomcat9-el-3.0-apiUpgrade tomcat-docs-webappUpgrade tomcat-jsp-2.3-apiNo solution existsUpgrade tomcat9-docs-webappUpgrade tomcat-servlet-4.0-apiUpgrade tomcat-webappsUpgrade tomcat-admin-webappsUpgrade tomcat-el-3.0-apiUpgrade tomcat9-jsp-2.3-apiUpgrade tomcat9-webappsUpgrade tomcat-libUpgrade tomcat9-servlet-4.0-apiUpgrade tomcat9Upgrade tomcatUpgrade tomcat9-lib | Jul 17, 2026 | Jun 29, 2026 |
| Ubuntu | — | Upgrade tomcat8-examples (Ubuntu Pro)Upgrade libtomcat8-embed-java (Ubuntu Pro)Upgrade libtomcat8-java (Ubuntu Pro) | Jul 20, 2026 | Jul 15, 2026 |
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