CVE-2018-17858
An issue was discovered in Joomla! before 3.8.13. com_installer actions do not have sufficient CSRF hardening in the backend.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.98%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
An issue was discovered in Joomla! before 3.8.13. com_installer actions do not have sufficient CSRF hardening in the backend.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 0.98% probability · 62th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-352
- Affected
- joomla/joomla\!
- Source
- cve@mitre.org
EPSS 1.0% since 27 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- http://www.securityfocus.com/bid/105559Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041914Third Party Advisory, VDB Entry
- https://developer.joomla.org/security-centre/755-20181005-core-csrf-hardening-in-com-installer.htmlVendor Advisory
- http://www.securityfocus.com/bid/105559Third Party Advisory, VDB Entry
- http://www.securitytracker.com/id/1041914Third Party Advisory, VDB Entry
- https://developer.joomla.org/security-centre/755-20181005-core-csrf-hardening-in-com-installer.htmlVendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.