CVE-2023-40600: WordPress EWWW Image Optimizer Plugin <= 7.2.0 is vulnerable to Sensitive Data Exposure

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.0% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-11-30 · updated 2026-06-17
Weakness: CWE-200

Description

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Exactly WWW EWWW Image Optimizer. It works only when debug.log is turned on.This issue affects EWWW Image Optimizer: from n/a through 7.2.0.

Affected products

nosilver4u EWWW Image Optimizer: before 7.2.1 — fixed in 7.2.1

How to fix

Upgrade to a fixed version: nosilver4u EWWW Image Optimizer 7.2.1. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/ewww-image-optimizer/wordpress-ewww-image-optimizer-plugin-7-2-0-sensitive-data-exposure-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/ewww-image-optimizer/wordpress-ewww-image-optimizer-plugin-7-2-0-sensitive-data-exposure-vulnerability?_s_id=cve

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