RCE in Updraftplus

CVE-2017-16871

The UpdraftPlus plugin through 1.13.12 for WordPress allows remote PHP code execution because the plupload_action function in /wp-content/plugins/updraftplus/admin.php has a race condition before deleting a file associated with the name parameter. NOTE: the vendor reports that this does not cross a privilege boundary

Vulnerability class: RCE (Remote Code Execution)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 8.1 (High). Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.016 (75.5th percentile), scored .

Low probability of exploitation in the next 30 days, but still tracked. 76th percentile — 75.5% 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-2017-16871: held from 0.016 to 0.016.

EPSS over last 30 days · oldest: 0.016 · newest: 0.016 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2017-16871?
CVE-2017-16871 is a high-severity vulnerability in Updraftplus, classified under Code Injection. CVSS score: 8.1/10. Published 2017-11-17.
How severe is CVE-2017-16871?
High severity. CVSS v3 base score is 8.1 out of 10.
Is CVE-2017-16871 known to be exploited?
2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.