How severe is CVE-2023-0583?

CVE-2023-0583 has a CVSS 3.x base score of 4.3, 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 low, and availability none.

Is CVE-2023-0583 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0583?

CVE-2023-0583 affects Vektor-inc Vk Blocks. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0583?

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

When was CVE-2023-0583 published?

CVE-2023-0583 was published on 2023-06-03 and last updated on 2026-06-17.

CVE-2023-0583

CVE-2023-0583 is a medium-severity vulnerability in Vektor-inc Vk Blocks with a CVSS 3.x base score of 4.3. 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-285.

Key facts

Severity: Medium (CVSS 3.x base score 4.3)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-285
Affected product: Vektor-inc Vk Blocks
Published: 2023-06-03
Last modified: 2026-06-17

Description

The VK Blocks plugin for WordPress is vulnerable to improper authorization via the REST 'update_vk_blocks_options' function in versions up to, and including, 1.57.0.5. This allows authenticated attackers, with contributor-level permissions or above, to change plugin settings including default icons.

Frequently asked questions

What is CVE-2023-0583?: The VK Blocks plugin for WordPress is vulnerable to improper authorization via the REST 'update_vk_blocks_options' function in versions up to, and including, 1.57.0.5. This allows authenticated attackers, with contributor-level permissions or above, to change plugin settings including default icons.
How severe is CVE-2023-0583?: CVE-2023-0583 has a CVSS 3.x base score of 4.3, 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 low, and availability none.
Is CVE-2023-0583 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0583?: CVE-2023-0583 affects Vektor-inc Vk Blocks. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0583?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-0583 published?: CVE-2023-0583 was published on 2023-06-03 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:vektor-inc:vk_blocks:*:*:*:*:*:wordpress:*:*

More vulnerabilities in Vektor-inc Vk Blocks

CVE-2023-5706 — Medium (CVSS 6.4): The VK Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's…
CVE-2023-27925 — Medium (CVSS 5.4): Cross-site scripting vulnerability in Post function of VK Blocks 1.53.0.1 and earlier and VK Blocks Pro 1.53.0.1 and…
CVE-2023-27923 — Medium (CVSS 5.4): Cross-site scripting vulnerability in Tag edit function of VK Blocks 1.53.0.1 and earlier and VK Blocks Pro 1.53.0.1…
CVE-2023-0584 — Medium (CVSS 4.3): The VK Blocks plugin for WordPress is vulnerable to improper authorization via the REST 'update_options' function in…

All CVEs affecting Vektor-inc Vk Blocks →

Other CWE-285 (Improper Authorization) vulnerabilities

CVE-2025-65041 — Critical (CVSS 10.0): Improper authorization in Microsoft Partner Center allows an unauthorized attacker to elevate privileges over a network.
CVE-2023-33189 — Critical (CVSS 10.0): Pomerium is an identity and context-aware access proxy. With specially crafted requests, incorrect authorization…
CVE-2022-2595 — Critical (CVSS 10.0): Improper Authorization in GitHub repository kromitgmbh/titra prior to 0.79.1.
CVE-2021-28799 — Critical (CVSS 10.0): An improper authorization vulnerability has been reported to affect QNAP NAS running HBS 3 (Hybrid Backup Sync. ) If…
CVE-2026-34048 — Critical (CVSS 9.9): Coolify is an open-source and self-hostable tool for managing servers, applications, and databases. Prior to…
CVE-2026-5412 — Critical (CVSS 9.9): In Juju versions prior to 2.9.57 and 3.6.21, an authorization issue exists in the Controller facade. An authenticated…

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