CVE-2023-0583: VK Blocks <= 1.57.0.5 - Authenticated(Contributor+) Settings Update
Vulnerability summary
CVE-2023-0583 is a medium (CVSS 4.3) Improper Authorization vulnerability in vektor-inc vk blocks. EPSS estimates a 0.54% chance of exploitation in the next 30 days, higher than 44.6% of scored vulnerabilities. Fixed in 1.57.0.10.
Timeline
- 03-06-2023PublishedVulnerability first disclosed.
- 08-04-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- NVDNIST4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- wordfenceSource4.3MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS trend
Probability
0.54%
Chance of exploitation in the next 30 days
Percentile
45%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.54% on 22-09-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Vektor-inc1 product
- vk blocks≤ 1.57.0.5
Wordpress1 product
- vk-blocks≤ 1.57.0.5 (fixed in 1.57.0.10)
2 vendors · 2 products