CVE-2018-11321 json
An issue was discovered in com_fields in Joomla!
published 8y ago modified 4mo ago also EUVD-2018-3359
- cvss
- 6.5
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 79%
- public exploits
- 0
- none known
Summary
An issue was discovered in com_fields in Joomla! Core before 3.8.8. Inadequate filtering allows users authorised to create custom fields to manipulate the filtering options and inject an unvalidated option.
Patch / fix
- joomla joomla! 3.8.8
Is CVE-2018-11321 in your stack? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.
Check with FencerExploit prediction
1.89% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.5 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
developer.joomla.org
/security-centre/734-20180506-core-filter-field-in-com-fields-allows-remote-code-execution.html
vendor-advisory
-
securityfocus.com
/bid/104271
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1040966
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-11321
- NVD CVE-2018-11321
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.