How severe is CVE-2023-0619?

CVE-2023-0619 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.

Is CVE-2023-0619 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0619?

CVE-2023-0619 affects Kraken Kraken.io Image Optimizer. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0619?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2023-0619 published?

CVE-2023-0619 was published on 2023-02-01 and last updated on 2026-06-17.

CVE-2023-0619

CVE-2023-0619 is a medium-severity vulnerability in Kraken Kraken.io Image Optimizer with a CVSS 3.x base score of 6.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-862.

Key facts

Severity: Medium (CVSS 3.x base score 6.5)
EPSS exploit prediction: 1% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-862
Affected product: Kraken Kraken.io Image Optimizer
Published: 2023-02-01
Last modified: 2026-06-17

Description

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.

Frequently asked questions

What is CVE-2023-0619?: 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.
How severe is CVE-2023-0619?: CVE-2023-0619 has a CVSS 3.x base score of 6.5, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity high, and availability none.
Is CVE-2023-0619 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0619?: CVE-2023-0619 affects Kraken Kraken.io Image Optimizer. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0619?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-0619 published?: CVE-2023-0619 was published on 2023-02-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:kraken:kraken.io_image_optimizer:*:*:*:*:*:wordpress:*:*

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