phpwarden
FeaturesComparePricingAdvisoriesBlogDocsChangelogLog in
Log inStart free

CVE-2023-1911: The Blocksy Companion WordPress plugin before 1.8.82 does not ensure that posts to be accessed via a shortcode are already public and can be viewed, allowing any authenticated users, such as subscribe

medium Affects blocksy-companion (WordPress plugin). Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

The Blocksy Companion WordPress plugin before 1.8.82 does not ensure that posts to be accessed via a shortcode are already public and can be viewed, allowing any authenticated users, such as subscribe

Package
blocksy-companion (WordPress plugin) WordPress
Affected versions
<1.8.82
Fixed in
1.8.82
Severity
medium  CVSS 4.3
Exploitation
not on CISA KEV · EPSS 1% (45.9th percentile)
Published
2023-05-02
Source
nvd

References

CWE-639
NVD recordblocksy-companion (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.

Install docs   How findings are ranked

Related advisories