CVE-2023-5359: The W3 Total Cache plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 2.7.5 via Google OAuth API secrets stored in plaintext in the publicly visible

low Affects w3-total-cache (WordPress plugin). Feed 2026.10.29.4, updated 2026-10-29; published ; advisory modified .

The W3 Total Cache plugin for WordPress is vulnerable to Sensitive Information Exposure in versions up to, and including, 2.7.5 via Google OAuth API secrets stored in plaintext in the publicly visible

Package
w3-total-cache (WordPress plugin) WordPress
Affected versions
<2.7.6
Fixed in
2.7.6
Severity
low  CVSS 3.7
Exploitation
not on CISA KEV · EPSS 1% (56.9th percentile)
Published
2024-09-25
Source
nvd

References

CWE-200CWE-312
NVD recordw3-total-cache (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