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Vulnerabilities

Vulnerability · CVE-2016-20102

javamelody_project javamelody Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Published Oct 20, 2026 · catalog updated Oct 22, 2026 · javamelody_project javamelody Improper Neutralization

Patch now

CVE-2016-20102 is in the CISA known-exploited catalog. Confirm javamelody_project javamelody Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (javamelody_project javamelody Improper Neutralization).
  • No version range is stored. A customer cannot check an installed version against this record.
Severity
Medium5.1
Known exploitation
CISA KEV and VulnCheck KEV
EPSS
0.21%
Remediation
Remediation guidance
Affected products
vendor javamelody_project javamelody

JavaMelody before 1.60.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject script by supplying crafted values in the graph parameter of /monitoring?part=graph. Attackers can include a closing script tag in the graph value, which is only JavaScript-escaped in HtmlCounterReport, to execute script in victims' browsers. Exploitation evidence was first observed by the Shadowserver Foundation on 2023-10-18.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor javamelody_project javamelodyversion unspecified

How to fix CVE-2016-20102

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

CVE-2016-20102 is in the CISA known-exploited catalog. Confirm javamelody_project javamelody Improper Neutralization against the vendor advisory and apply that fix. The CVSS score does not change the priority.

Which versions are affected?

Affected version ranges are not on this record. Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

What should an analyst verify?

CWE-79: Cross-site Scripting (XSS). EPSS 0.21%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Oct 20, 2026 · VulnCheck KEV

    Detected

    JavaMelody before 1.60.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject script by supplying crafted values in the graph parameter of /monitoring?part=graph. Attackers can include a closing script tag in the graph value, which is only JavaScript-escaped in HtmlCounterReport, to execute script in victims' browsers. Exploitation evidence was fi

  2. Oct 20, 2026 · CISA KEV

    Known exploited

    Apply remediations or mitigations per vendor instructions or discontinue use of the product if remediation or mitigations are unavailable.

  3. Oct 21, 2026 · NIST NVD

    Updated

    JavaMelody before 1.60.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject script by supplying crafted values in the graph parameter of /monitoring?part=graph. Attackers can include a closing script tag in the graph value, which is only JavaScript-escaped in HtmlCounterReport, to execute script in victims' browsers. Exploitation evidence was fi

  4. Oct 22, 2026 · NIST NVD

    Updated

    JavaMelody before 1.60.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject script by supplying crafted values in the graph parameter of /monitoring?part=graph. Attackers can include a closing script tag in the graph value, which is only JavaScript-escaped in HtmlCounterReport, to execute script in victims' browsers. Exploitation evidence was fi

Sources

  • CVE.orgVulnerability recordCVE-2016-20102

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2016-20102

    30-day exploitation probability 0.21%

    first.org
  • NIST NVDVulnerability recordCVE-2016-20102

    JavaMelody before 1.60.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject script by supplying crafted values in the graph parameter of /monitoring?part=graph. Attackers can include a closing script tag in the graph value, whi

    nvd.nist.gov
  • VulnCheck KEVConfirmed exploitationCVE-2016-20102

    JavaMelody before 1.60.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject script by supplying crafted values in the graph parameter of /monitoring?part=graph. Attackers can include a closing script tag in the graph value, whi

    vulncheck.com

References

Freshness

Last verified in this catalog Oct 21, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.