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 privileg

high Affects powerpress (WordPress plugin). Feed 2026.10.29.2, updated 2026-10-29; published 2021-03-18; advisory modified 2026-06-17.

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 privileg

Package: powerpress (WordPress plugin) WordPress
Affected versions: <8.3.8
Fixed in: 8.3.8
Severity: high CVSS 7.2
Exploitation: not on CISA KEV · EPSS 2% (76.4th percentile)
Published: 2021-03-18
Source: nvd

References

CWE-434

NVD record powerpress (WordPress plugin) advisories

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden wordpress /var/www/html

# or, without Composer
pipx install phpwarden   &&   phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

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