CVE-2018-17857 json
An issue was discovered in Joomla!
published 2018-10-09 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-9599
- cvss
- 4.3
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 67%
- public exploits
- 0
- none known
Summary
An issue was discovered in Joomla! before 3.8.13. Inadequate checks on the tags search fields can lead to an access level violation.
Patch / fix
- joomla joomla! 3.8.13
Exploit prediction
1.18% chance of exploitation in the next 30 days, higher than 67% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 4.3 | CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N |
| NVD | 2.0 | 4.0 | AV:N/AC:L/Au:S/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-863 Incorrect Authorization
References
-
developer.joomla.org
/security-centre/753-20181003-core-access-level-violation-in-com-tags
vendor-advisory
-
securityfocus.com
/bid/105559
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1041914
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-17857
- NVD CVE-2018-17857
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.