CVE-2023-5308: The Podcast Subscribe Buttons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'podcast_subscribe' shortcode in versions up to, and including, 1.4.8 due to insufficient input sani

medium Affects podcast-subscribe-buttons (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The Podcast Subscribe Buttons plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'podcast_subscribe' shortcode in versions up to, and including, 1.4.8 due to insufficient input sani

Package
podcast-subscribe-buttons (WordPress plugin) WordPress
Affected versions
<=1.4.8
Fixed in
no fix recorded
Severity
medium  CVSS 6.4
Exploitation
not on CISA KEV · EPSS 1% (43.7th percentile)
Published
2023-10-20
Source
nvd

References

CWE-79
NVD recordpodcast-subscribe-buttons (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.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

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

Install docs   How findings are ranked

Related advisories