CVE-2023-0619: The Kraken.io Image Optimizer plugin for WordPress is vulnerable to authorization bypass due to a missing capa

Q: How do I fix CVE-2023-0619?

kraken.io image optimizer: upgrade to newer than 2.6.8. Exact commands for each OS are on this page.

Q: Is CVE-2023-0619 being exploited?

CVE-2023-0619 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2023-0619 affect?

CVE-2023-0619 affects kraken.io image optimizer. Severity is medium (CVSS 6.5). 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

Q: How urgent is CVE-2023-0619?

Priority 36/100. No elevated risk signals yet.

Routine

MEDIUM 6.5UPGRADE

CVE-2023-0619 is a medium-severity flaw (CVSS 6.5) affecting kraken.io image optimizer. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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.

Why this priority

No elevated risk signals yet

A fixed release or distro patch exists.

Risk facts

CVSS score	6.5 (Medium)
Attack vector	Network (remote)
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.7% (top 48%)
CISA exploited list	No
Weakness	CWE-862
Published	2023-02-01
Last modified	2026-06-17

Publisher (CNA): Wordfence · Vendor: kraken

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2023-02-01 20:15 UTCPublished CVE record published
2026-06-17 05:25 UTCUpdated Record last modified

kraken kraken.io image optimizer UPGRADE

Affected: <= 2.6.8

Fixed in: newer than 2.6.8

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy kraken.io-image-optimizer || rpm -q kraken.io-image-optimizer || kraken.io-image-optimizer --version

2. UPGRADE to newer than 2.6.8 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade kraken.io-image-optimizer

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade kraken.io-image-optimizer

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2023-0619?

kraken.io image optimizer: upgrade to newer than 2.6.8. Exact commands for each OS are on this page.

Is CVE-2023-0619 being exploited?

CVE-2023-0619 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2023-0619 affect?

CVE-2023-0619 affects kraken.io image optimizer. Severity is medium (CVSS 6.5). 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

How urgent is CVE-2023-0619?

Priority 36/100. No elevated risk signals yet.

Software pages

WordPress vulnerabilities

Related CVEs

CVE-2022-38454 MEDIUM 5.4 UPGRADE Cross-Site Request Forgery (CSRF) vulnerability in Kraken.io Image Optimizer plugin <= 2.6.5 at WordPress.

References

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