CVE-2018-6377 json
In Joomla! before 3.8.4, inadequate input filtering in com_fields leads to an XSS vulnerability in multiple field types, i.e., list, radio,…
published 2018-01-30 8 y ago modified 2026-06-17 4 mo ago also EUVD-2018-18134
- cvss
- 6.1
- version 3.0, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 56.5%
- EPSS 56.5% chance of exploitation in 30 days, percentile 99%
- public exploits
- 0
- none known
Summary
In Joomla! before 3.8.4, inadequate input filtering in com_fields leads to an XSS vulnerability in multiple field types, i.e., list, radio, and checkbox
Patch / fix
- joomla joomla! 3.8.4
Exploit prediction
56.50% chance of exploitation in the next 30 days, higher than 99% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.0 | 6.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 4.3 | AV:N/AC:M/Au:N/C:N/I:P/A:N |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
developer.joomla.org
/security-centre/720-20180103-core-xss-vulnerability.html
vendor-advisory
-
securitytracker.com
/id/1040316
vdb-entry, third-party-advisory
-
securityfocus.com
/bid/102917
vdb-entry, third-party-advisory
Sources
- CVE List CVE-2018-6377
- NVD CVE-2018-6377
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.