What is CVE-2018-17858?

CVE-2018-17858 is a high-severity vulnerability in Joomla Joomla\!, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-10-09.

How severe is CVE-2018-17858?

High severity. CVSS v3 base score is 8.8 out of 10.

CSRF in Joomla Joomla\!

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.

Vulnerability class: CSRF (Cross-Site Request Forgery)

EPSS: 0.010 (58.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Joomla Joomla\!
N/a — versions n/a

Weakness classification (CWE)

CWE-352 — Cross-Site Request Forgery (CSRF)

References

cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_BID)
cve@mitre.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2018-17858?: CVE-2018-17858 is a high-severity vulnerability in Joomla Joomla\!, classified under Cross-Site Request Forgery (CSRF). CVSS score: 8.8/10. Published 2018-10-09.
How severe is CVE-2018-17858?: High severity. CVSS v3 base score is 8.8 out of 10.