CVE-2018-6577
SQL Injection exists in the JEXTN Membership 3.1.0 component for Joomla! via the usr_plan...
SQL Injection exists in the JEXTN Membership 3.1.0 component for Joomla! via the usr_plan parameter in a view=myplans&task=myplans.usersubscriptions request.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
SQL Injection exists in the JEXTN Membership 3.1.0 component for Joomla! via the usr_plan parameter in a view=myplans&task=myplans.usersubscriptions request.
- Record
CVE-2018-6577- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 7.5 High
AV:N/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-89
- Updated
- 2026-11-02
CVE List No score
SQL Injection exists in the JEXTN Membership 3.1.0 component for Joomla! via the usr_plan parameter in a view=myplans&task=myplans.usersubscriptions request.
- Record
CVE-2018-6577- Updated
- 2026-11-02
EUVDEUVD-2018-18327 No score
SQL Injection exists in the JEXTN Membership 3.1.0 component for Joomla! via the usr_plan parameter in a view=myplans&task=myplans.usersubscriptions request.
- Record
EUVD-2018-18327- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-69j2-wmmx-qm3p
SQL Injection exists in the JEXTN Membership 3.1.0 component for Joomla! via the usr_plan...
SQL Injection exists in the JEXTN Membership 3.1.0 component for Joomla! via the usr_plan parameter in a view=myplans&task=myplans.usersubscriptions request.
- Record
GHSA-69j2-wmmx-qm3p- CVSS 3.0
- 9.8 Critical
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Weakness
- CWE-89
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Joomla! Component JEXTN Membership 3.1.0 - 'usr_plan' SQL Injection | 2018-02-02 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-6577 is a critical vulnerability (CVSS 9.8) in Jextn Membership, published February 2, 2018. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.98%, the 80th percentile. No source names a fixed version.