What is CVE-2018-15882?

CVE-2018-15882 is a critical-severity vulnerability in Joomla Joomla\!, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2018-08-29.

How severe is CVE-2018-15882?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Arbitrary file upload in Joomla Joomla\!

CVE-2018-15882

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.029 (85.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Joomla Joomla\!
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

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

Frequently asked questions

What is CVE-2018-15882?: CVE-2018-15882 is a critical-severity vulnerability in Joomla Joomla\!, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 9.8/10. Published 2018-08-29.
How severe is CVE-2018-15882?: Critical severity. CVSS v3 base score is 9.8 out of 10.