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Vulnerability record · CVE-2019-9921 · published 29 March 2019

CVE-2019-9921: Harmistechnology je messenger insecure direct object reference vulnerability

HHarmistechnology · Je Messenger

An issue was discovered in the Harmis JE Messenger component 1.2.2 for Joomla!. It is possible to read information that should only be accessible by a different user.

6.5 CVSS 3.1 Medium EPSS 1.1% · top 35.5% CWE-639 · Insecure direct object reference
6.5CVSS 3.1 base score, v2 4.0
1.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

An issue was discovered in the Harmis JE Messenger component 1.2.2 for Joomla!. It is possible to read information that should only be accessible by a different user.

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://extensions.joomla.org/extension/je-messenger/ ProductThird Party Advisory
https://github.com/azd-cert/CVE/blob/master/CVEs/CVE-2019-9921.md Third Party Advisory
https://extensions.joomla.org/extension/je-messenger/ ProductThird Party Advisory
https://github.com/azd-cert/CVE/blob/master/CVEs/CVE-2019-9921.md Third Party Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

9.1CVE-2019-9918Harmistechnology je messenger sql injection vulnerabilityAn issue was discovered in the Harmis JE Messenger component 1.2.2 for Joomla!. Input does not get validated and queries are not written in a way to …EPSS 1.3%8.8CVE-2019-9920Harmistechnology je messenger vulnerabilityAn issue was discovered in the Harmis JE Messenger component 1.2.2 for Joomla!. It is possible to perform an action within the context of the account…EPSS 1.3%7.5CVE-2019-9922Harmistechnology je messenger path traversal vulnerabilityAn issue was discovered in the Harmis JE Messenger component 1.2.2 for Joomla!. Directory Traversal allows read access to arbitrary files.EPSS 11%5.4CVE-2019-9919Harmistechnology je messenger cross-site scripting vulnerabilityAn issue was discovered in the Harmis JE Messenger component 1.2.2 for Joomla!. It is possible to craft messages in a way that JavaScript gets execut…EPSS 0.66%8.4CVE-2026-55255Langflow IDOR in responses endpoint allows cross-user flow executionLangflow before 1.9.1 has an insecure direct object reference in the /api/v1/responses endpoint. An authenticated attacker can supply another user's …KEVEPSS 0.89%analysed

Source: NIST National Vulnerability Database (record CVE-2019-9921), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.