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Kraken.io Image Optimizer vulnerabilities

Kraken.io Image Optimizer has 2 known vulnerabilities in this database. The most recent published record is dated 1 Feb 2023.

Known vulnerabilities
2
Active installs
10,000+
Latest version
3.0.3
Last updated
22 Jun 2026
Most recent
1 Feb 2023

Find it in your WordPress dashboard under Plugins. Severity is based on the CVSS score published with the CVE where one is available.

VulnerabilitySeverityAffectedFixPublished
Broken access control
CVE-2023-0619
Medium 6.5Up to 2.6.8Fixed in a later version (latest 3.0.3)1 Feb 2023
Cross-site request forgery (CSRF)
CVE-2022-38454
Medium 5.4Up to 2.6.5Fixed in a later version (latest 3.0.3)23 Sep 2022
Read the published descriptions
CVE-2023-0619, 1 Feb 2023
The Kraken.io Image Optimizer plugin for WordPress is vulnerable to authorization bypass due to a missing capability check on its AJAX actions in versions up to, and including, 2.6.8. This makes it possible for authenticated attackers, with subscriber-level permissions and above, to reset image optimizations. CVE record
CVE-2022-38454, 23 Sep 2022
Cross-Site Request Forgery (CSRF) vulnerability in Kraken.io Image Optimizer plugin <= 2.6.5 at WordPress. CVE record

What to do if you run Kraken.io Image Optimizer

If you run Kraken.io Image Optimizer, open WordPress and check the installed version in Plugins. Compare it with the affected versions in the vulnerability record. If a fixed version is available, take a current backup and update to that version or the latest supported release.

If no fixed version exists, consider disabling and removing the plugin or replacing it with a maintained alternative. After dealing with the affected software, check administrator users, unexpected file changes, redirects, unfamiliar pages and security logs for signs that the site may already have been altered.

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