Vulnerability · Published Aug 19, 2026 · Assigned by Joomla

CVE-2026-75953Joomla Extension - cmsjunkie.com - Open mail relay in J-BusinessDirectory < 6.2.3

High 7.5

In plain English

A high-severity security flaw in J-BusinessDirectory extension for Joomla from cmsjunkie.com. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.4%top 63.9% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

VendorProductVersions
cmsjunkie.com J-BusinessDirectory extension for Joomla 1.0.0-6.2.2

Weakness: CWE-201 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References