Is custom-content-shortcode (WordPress plugin) vulnerable?

WordPress custom-content-shortcode has 5 known advisories in the phpwarden feed. Feed 2026.10.29.1, updated 2026-10-28.

5advisories
0critical
0on CISA KEV
2no fix recorded
CVETitleSeverityCVSSAffectedFixed in
CVE-2023-0340The Custom Content Shortcode WordPress plugin through 4.0.2 does not validate one of its shortcode attribute, which could allow users with ahigh8.8<=4.0.2–
CVE-2021-24824The [field] shortcode included with the Custom Content Shortcode WordPress plugin before 4.0.1, allows authenticated users with a role as lomedium4.3<4.0.14.0.1
CVE-2021-24826The Custom Content Shortcode WordPress plugin before 4.0.2 does not escape custom fields before outputting them, which could allow Contributmedium5.4<4.0.24.0.2
CVE-2023-0273The Custom Content Shortcode WordPress plugin through 4.0.2 does not validate and escape some of its shortcode attributes before outputting medium5.4<=4.0.2–
CVE-2021-24825The Custom Content Shortcode WordPress plugin before 4.0.2 does not validate the data passed to its load shortcode, which could allow Contrimedium4.3<4.0.24.0.2

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
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