CVE-2023-40600

WordPress EWWW Image Optimizer Plugin <= 7.2.0 is vulnerable to Sensitive Data Exposure

5.3 MediumPublic exploit

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.

Attack profile

How easy it is to exploit

Attack vector: Network
Complexity: Low
Privileges needed: None
User interaction: None

What an attacker can affect

Confidentiality: Low
Integrity: None
Availability: None

Exploit likelihood

2.02%Up 2.0 points since Dec 1, 2023

What each source reports

CVE List Score used 5.3

WordPress EWWW Image Optimizer Plugin <= 7.2.0 is vulnerable to Sensitive Data Exposure

Record: CVE-2023-40600
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

EUVDEUVD-2023-45158 5.3

Record: EUVD-2023-45158
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Updated: 2026-11-02

GitHub AdvisoriesGHSA-9vqm-pq4q-h6cw 7.5

Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Exactly WWW EWWW...

Record: GHSA-9vqm-pq4q-h6cw
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

NVD 5.3

Record: CVE-2023-40600
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS 3.1: 7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

OSV 5.3

WordPress EWWW Image Optimizer Plugin <= 7.2.0 is vulnerable to Sensitive Data Exposure

Record: CVE-2023-40600
CVSS 3.1: 5.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
Weakness: CWE-200
Updated: 2026-11-02

Affected products

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Nuclei	EWWW Image Optimizer <= 7.2.0 - Unauthenticated Information Disclosure
PoC in GitHub	RandomRobbieBF/CVE-2023-40600	2023-11-20

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	CVE List, EUVD, GitHub Advisories, Nuclei, NVD, OSV, PoC in GitHub

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-40600 is a medium vulnerability (CVSS 5.3) in Ewww Image Optimizer, published November 30, 2023. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 2.02%, the 81st percentile. No source names a fixed version.