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CVE-2009-0781

Cross-site scripting in Apache Tomcat

4.3 MediumFix available

Cross-site scripting (XSS) vulnerability in jsp/cal/cal2.jsp in the calendar application in the examples web application in Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18 allows remote attackers to inject arbitrary web script or HTML via the time parameter, related to "invalid HTML."

Exploit likelihood

9.72%Up 2.4 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

Cross-site scripting (XSS) vulnerability in jsp/cal/cal2.jsp in the calendar application in the examples web application in Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18 allows remote attackers to inject arbitrary web script or HTML via the time parameter, related to "invalid HTML."

Record
CVE-2009-0781
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness
CWE-79
Updated
2026-11-02
CVE List No score

Cross-site scripting (XSS) vulnerability in jsp/cal/cal2.jsp in the calendar application in the examples web application in Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18 allows remote attackers to inject arbitrary web script or HTML via the time parameter, related to "invalid HTML."

Record
CVE-2009-0781
Updated
2026-11-02
EUVDEUVD-2022-4299 No score

Cross-site scripting (XSS) vulnerability in jsp/cal/cal2.jsp in the calendar application in the examples web application in Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18 allows remote attackers to inject arbitrary web script or HTML via the time parameter, related to "invalid HTML."

Record
EUVD-2022-4299
Updated
2026-11-03
GitHub AdvisoriesGHSA-j788-fx57-99wp No score

Cross-site scripting in Apache Tomcat

Cross-site scripting (XSS) vulnerability in jsp/cal/cal2.jsp in the calendar application in the examples web application in Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18 allows remote attackers to inject arbitrary web script or HTML via the time parameter, related to "invalid HTML."

Record
GHSA-j788-fx57-99wp
Weakness
CWE-79
Updated
2026-11-02
OSVGHSA-j788-fx57-99wp No score

Cross-site scripting in Apache Tomcat

Cross-site scripting (XSS) vulnerability in jsp/cal/cal2.jsp in the calendar application in the examples web application in Apache Tomcat 4.1.0 through 4.1.39, 5.5.0 through 5.5.27, and 6.0.0 through 6.0.18 allows remote attackers to inject arbitrary web script or HTML via the time parameter, related to "invalid HTML."

Record
GHSA-j788-fx57-99wp
Weakness
CWE-79
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
org.apache.tomcat:tomcat
Maven
 4.1.0 to 4.1.39 None known
org.apache.tomcat:tomcat
Maven
 5.5.0 to 5.5.27 None known
org.apache.tomcat:tomcat
Maven
 6.0.0 to 6.0.18
6.0.20
tomcat5.5
Debian:5.0
From an advisory covering 9 CVEs
 before 5.5.26-5lenny2, plus listed versions
5.5.26-5
5.5.26-5lenny2
org.apache.tomcat:tomcat
Maven
 6.0.0 up to 6.0.20
6.0.20
tomcat5
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-admin-webapps
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-common-lib
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-debuginfo
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-jasper
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
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Affected packages
PackageAffectedFixed
tomcat5-jasper-javadoc
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-jsp-2.0-api-javadoc
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-server-lib
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-servlet-2.4-api-javadoc
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-webapps
Red Hat:enterprise_linux:5::client_workstation
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-debuginfo
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-jsp-2.0-api
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-servlet-2.4-api
Red Hat:enterprise_linux:5::client
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-admin-webapps
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-common-lib
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-debuginfo
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-jasper
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-jasper-javadoc
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-jsp-2.0-api
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-jsp-2.0-api-javadoc
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-server-lib
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-servlet-2.4-api
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-servlet-2.4-api-javadoc
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5-webapps
Red Hat:enterprise_linux:5::server
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp.7.el5_3.2
0:5.5.23-0jpp.7.el5_3.2
tomcat5
Red Hat:rhel_application_server:2
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp_4rh.16
0:5.5.23-0jpp_4rh.16
tomcat5-admin-webapps
Red Hat:rhel_application_server:2
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp_4rh.16
0:5.5.23-0jpp_4rh.16
tomcat5-common-lib
Red Hat:rhel_application_server:2
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp_4rh.16
0:5.5.23-0jpp_4rh.16
tomcat5-jasper
Red Hat:rhel_application_server:2
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp_4rh.16
0:5.5.23-0jpp_4rh.16
tomcat5-jasper-javadoc
Red Hat:rhel_application_server:2
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp_4rh.16
0:5.5.23-0jpp_4rh.16
tomcat5-jsp-2.0-api
Red Hat:rhel_application_server:2
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp_4rh.16
0:5.5.23-0jpp_4rh.16
tomcat5-jsp-2.0-api-javadoc
Red Hat:rhel_application_server:2
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp_4rh.16
0:5.5.23-0jpp_4rh.16
tomcat5-server-lib
Red Hat:rhel_application_server:2
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp_4rh.16
0:5.5.23-0jpp_4rh.16
tomcat5-servlet-2.4-api
Red Hat:rhel_application_server:2
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp_4rh.16
0:5.5.23-0jpp_4rh.16
tomcat5-servlet-2.4-api-javadoc
Red Hat:rhel_application_server:2
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp_4rh.16
0:5.5.23-0jpp_4rh.16
tomcat5-webapps
Red Hat:rhel_application_server:2
From an advisory covering 6 CVEs
 before 0:5.5.23-0jpp_4rh.16
0:5.5.23-0jpp_4rh.16

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2009-0781 is a medium vulnerability (CVSS 4.3) in Apache Tomcat, published March 9, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 9.72%, the 95th percentile. Fixed in org.apache.tomcat:tomcat 6.0.20.

References

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