Arbitrary file upload in Joomla Joomla\!

CVE-2017-7989

In Joomla! 3.2.0 through 3.6.5 (fixed in 3.7.0), inadequate MIME type checks allowed low-privilege users to upload swf files even if they were explicitly forbidden.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

EPSS exploit prediction

EPSS: 0.010 (60.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 61st percentile — 60.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2017-7989: held from 0.010 to 0.010.

EPSS over last 30 days · oldest: 0.010 · newest: 0.010 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2017-7989?
CVE-2017-7989 is a medium-severity vulnerability in Joomla Joomla\!, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.5/10. Published 2017-04-25.
How severe is CVE-2017-7989?
Medium severity. CVSS v3 base score is 6.5 out of 10.