CVE-2018-15882 json
An issue was discovered in Joomla!
published 2018-08-29 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-7739
- cvss
- 9.8
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 2.9%
- EPSS 2.9% chance of exploitation in 30 days, percentile 87%
- public exploits
- 0
- none known
Summary
An issue was discovered in Joomla! before 3.8.12. Inadequate checks in the InputFilter class could allow specifically prepared phar files to pass the upload filter.
Patch / fix
- joomla joomla! 3.8.12
Exploit prediction
2.89% chance of exploitation in the next 30 days, higher than 87% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
developer.joomla.org
/security-centre/743-20180801-core-hardening-the-inputfilter-for-phar-stubs.html
vendor-advisory
-
securityfocus.com
/bid/105166
vdb-entry, third-party-advisory
-
securitytracker.com
/id/1041913
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-15882
- NVD CVE-2018-15882
Fencer Vulns 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.