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High severity · published Aug 19, 2026
CVE-2026-75953
Joomla Extension - cmsjunkie.com - Open mail relay in J-BusinessDirectory < 6.2.3
7.5
CVSS
0.4%
EPSS
No
On KEV
Description
Joomla Extension - cmsjunkie.com - Open mail relay in J-BusinessDirectory < 6.2.3 - Recipient address was taken from the request (contact_id_offer / contact_id_event) instead of the server-side offer/event record, so mail could be sent to an arbitrary address.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 36% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
JE
J-BusinessDirectory extension for Joomla · cmsjunkie.com
1.0.0-6.2.2 · source: vendor
Affected product
JE
J-BusinessDirectory extension for Joomla
cmsjunkie.com
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-75953
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-75953
www.cmsjunkie.com
https://www.cmsjunkie.com/
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