CVE-2019-20366Public exploitNetwork attack vector

Script execution via unescaped isTrustStore parameter

Published Jan 8, 2020 · Updated Aug 5, 2024

Reflected XSS in Ignite Realtime Openfire 4.4.4 and earlier allows remote attackers to execute script in an administrator's browser. The security-certificate-details.jsp page writes the isTrustStore request parameter into a hidden input value without HTML escaping. An administrator must submit a crafted request while using the management console, allowing script to read or alter data accessible to that browser session.

CVSS severity6.1
Medium
EPSS probability1.26%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Reflected XSS in Ignite Realtime Openfire 4.4.4 and earlier allows remote attackers to execute script in an administrator's browser. The security-certificate-details.jsp page writes the isTrustStore request parameter into a hidden input value without HTML escaping. An administrator must submit a crafted request while using the management console, allowing script to read or alter data accessible to that browser session.

The record

CVE
CVE-2019-20366
Published
Jan 8, 2020
Updated
Aug 5, 2024
Vendor
Unknown vendor
Product
Unknown product
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jan 8, 2020CVE publishedPublication date reported by the CVE source.
  2. Aug 5, 2024Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Affected buildAffected product and version details are unavailable.

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Affected products and versions are unavailable in this record.

Published CVSS scores

6.1SecurinCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007Command and Scripting Interpreter: JavaScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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