# CVE-2023-40600: EWWW Image Optimizer - Information Disclosure

> Live exploitation tracking for CVE-2023-40600 by the CrowdSec Live Exploit Tracker, built from real-world attack data crowdsourced from CrowdSec's global network.

Page: https://tracker.crowdsec.net/cves/CVE-2023-40600

## Key facts

- **Exploitation phase:** Limited Exploitation. The vulnerability is known but shows very limited attacker interest or exploitation activity.
- **CVSS score:** 7.5
- **Public exploit available:** Yes
- **Affected products:** Exactly WWW EWWW Image Optimizer
- **Weaknesses:** CWE-200 (Exposure of Sensitive Information to an Unauthorized Actor)
- **Tags:** wordpress, cms

## 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.

## CrowdSec analysis

[CVE-2023-40600](https://euvd.enisa.europa.eu/vulnerability/CVE-2023-40600) is an information disclosure vulnerability in the EWWW Image Optimizer plugin by Exactly WWW, affecting versions up to 7.2.0 when debug logging is enabled. This flaw could allow unauthorized actors to access sensitive information exposed in debug logs, potentially aiding in further attacks or reconnaissance against affected WordPress sites.

CrowdSec has been tracking this vulnerability and its exploits since 25th of March 2026.

Data from the CrowdSec community indicates that exploitation of CVE-2023-40600 is highly selective and intelligence-driven. Threat actors use advanced reconnaissance and carefully choose their targets, often as part of sophisticated campaigns or advanced persistent threat operations.
CrowdSec network telemetry also shows that exploitation of CVE-2023-40600 has significantly declined over the past week. Attack volumes are well below the long-term average, suggesting attackers are rapidly losing interest. The vulnerability appears to be falling out of active use across most threat landscapes.

Attackers exploit this vulnerability by requesting the `/wp-content/ewww/debug.log` endpoint, attempting to access sensitive debug information exposed by the EWWW Image Optimizer plugin when debug logging is enabled.

## Timeline

- 2023-11-30: CVE Published. CVE-2023-40600 is published to NVD.
- 2026-03-25: Rule Released. CrowdSec releases a rule to detect CVE-2023-40600 exploitation attempts against the CrowdSec Network.
- 2026-03-31: CrowdSec First Seen. CrowdSec observes in-the-wild exploitation of CVE-2023-40600 for the first time.

## 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://github.com/projectdiscovery/nuclei-templates/blob/main/http/cves/2023/CVE-2023-40600.yaml

## Live exploitation data

The [Live Exploit Tracker page](https://tracker.crowdsec.net/cves/CVE-2023-40600) follows observed exploitation activity for CVE-2023-40600. [Request an API key](https://tracker.crowdsec.net/request-api-key) for full access to its exploitation timeline, attacking IP addresses and blocklists.