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CVE-2024-13800: The ConvertPlus plugin for WordPress is vulnerable to unauthorized modification of data that can lead to a denial of service due to a missing capability check on the 'cp_dismiss_notice' AJAX endpoint

high Affects convertplus (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The ConvertPlus plugin for WordPress is vulnerable to unauthorized modification of data that can lead to a denial of service due to a missing capability check on the 'cp_dismiss_notice' AJAX endpoint

Package
convertplus (WordPress plugin) WordPress
Affected versions
<3.5.31
Fixed in
3.5.31
Severity
high  CVSS 8.1
Exploitation
not on CISA KEV · EPSS 0% (40.6th percentile)
Published
2025-02-12
Source
nvd

References

CWE-862
NVD recordconvertplus (WordPress plugin) advisories

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# 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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