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CVE-2023-0557: The ContentStudio plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 1.2.5. This could allow unauthenticated attackers to obtain a nonce needed for

high Affects contentstudio (WordPress plugin). Feed 2026.10.29.2, updated 2026-10-29; published ; advisory modified .

The ContentStudio plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 1.2.5. This could allow unauthenticated attackers to obtain a nonce needed for

Package
contentstudio (WordPress plugin) WordPress
Affected versions
<1.2.6
Fixed in
1.2.6
Severity
high  CVSS 7.5
Exploitation
not on CISA KEV · EPSS 1% (59.8th percentile)
Published
2023-01-27
Source
nvd

References

CWE-200
NVD recordcontentstudio (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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