CVE-2026-92826Medium· 6.1▾ Sunlit

The EWWW Image Optimizer plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via REQUEST_URI Parameter Key in all versions up to, and including, 8.7.7 due to insufficient input sanitization and output escaping

▾ Sunlit zone — Low / medium · no exploitation signal

Depth score34/ 100 · Low

impact 33.6 · likelihood 0 · exploitation 0

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Proof of concept

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Published

Oct 3, 2026

Updated

Oct 3, 2026

CVSS

6.1

Vendor

nosilver4u

Product

EWWW Image Optimizer

CWE

CWE-79

Depth score

34 · Low

EPSS

—

Platforms

—

Source

NVD

Vector

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

nosilver4u CWE-79 #nvd #cve.org

Affected

ewww_image_optimizer <= 8.7.7

Full technical detail▾

Overview

The EWWW Image Optimizer plugin for WordPress is vulnerable to Reflected Cross-Site Scripting via REQUEST_URI Parameter Key in all versions up to, and including, 8.7.7 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that execute if they can successfully trick a user into performing an action such as clicking on a link. Successful exploitation requires that the enable_help option is active, as the vulnerable HelpScout Beacon script block is only emitted when that setting is enabled.

Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.

References

Related vulnerabilities

Connected by shared product, vendor, weakness, or advisory.

#nvd#cve.org