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Tool Directory

CVE-2023-5359

HighPublished

W3 Total Cache <= 2.7.5 - Sensitive Credentials Stored in Plaintext

Published: Sep 24, 2024
Updated: Apr 8, 2026
Assigning CNA: Wordfence
Evidence observed: Aug 8, 2026

Primary CVSS

7.5/ 10High

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS probability estimate

0.8%

Low · next 30 days

Percentile: 55.0%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

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 plugin source. This can allow unauthenticated attackers to impersonate W3 Total Cache and gain access to user account information in successful conditions. This would not impact the WordPress users site in any way.

Sources

CVE-2023-5359Exploit
CVE-2023-5359 scanner for W3 Total Cache cleartext storage vulnerability. Detects exposed credentials (API keys, OAuth tokens) in publicly accessible PHP files. Includes manual and automated exploitation scripts.
Cleartext-Storage-vulnerability-CVE-2023-5359-in-W3-Total-CacheExploit
Targets versions ≤2.7.5 vulnerable to CVE-2023-5359

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