Arbitrary file upload in Blubrry Powerpress

CVE-2021-24123

Arbitrary file upload in the PowerPress WordPress plugin, versions before 8.3.8, did not verify some of the uploaded feed images (such as the ones from Podcast Artwork section), allowing high privilege accounts (admin+) being able to upload arbitrary files, such as php, leading to RCE.

Vulnerability class: Unrestricted File Upload

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/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-2021-24123: 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-2021-24123?
CVE-2021-24123 is a high-severity vulnerability in Blubrry Powerpress, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2021-03-18.
How severe is CVE-2021-24123?
High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2021-24123 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.