CVE-2018-17859
An issue was discovered in Joomla! before 3.8.13. Inadequate checks in com_contact could allow...
An issue was discovered in Joomla! before 3.8.13. Inadequate checks in com_contact could allow mail submission in disabled forms.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in Joomla! before 3.8.13. Inadequate checks in com_contact could allow mail submission in disabled forms.
- Record
CVE-2018-17859- CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - CVSS 2.0
- 4.0 Medium
AV:N/AC:L/Au:S/C:N/I:P/A:N - Updated
- 2026-11-02
CVE List No score
An issue was discovered in Joomla! before 3.8.13. Inadequate checks in com_contact could allow mail submission in disabled forms.
- Record
CVE-2018-17859- Updated
- 2026-11-02
EUVDEUVD-2018-9601 No score
An issue was discovered in Joomla! before 3.8.13. Inadequate checks in com_contact could allow mail submission in disabled forms.
- Record
EUVD-2018-9601- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-q97w-rjph-j78j
An issue was discovered in Joomla! before 3.8.13. Inadequate checks in com_contact could allow...
An issue was discovered in Joomla! before 3.8.13. Inadequate checks in com_contact could allow mail submission in disabled forms.
- Record
GHSA-q97w-rjph-j78j- CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
OSV
An issue was discovered in Joomla! before 3.8.13. Inadequate checks in com_contact could allow mail submission in disabled forms.
- Record
CVE-2018-17859- CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-17859 is a medium vulnerability (CVSS 4.3) in Joomla Joomla\!, published October 9, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.35%, the 71st percentile. No source names a fixed version.