CVE-2023-5706

MEDIUM EPSS 40.3%
Published Nov 22, 20232y ago · Modified Jun 17, 20261w ago
5.4 CVSS 3.1
Medium
Find Similar
Published Nov 22, 2023 2y ago
Last Modified Jun 17, 2026 1w ago

Description

The VK Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'vk-blocks/ancestor-page-list' block in all versions up to, and including, 1.63.0.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVSS Details

Base Score
5.4
Exploitability
2.3
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
40.3% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
vektor-incvk_blocks* ≤1.63.0.1

References 5

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/vk-blocks/tags/1.63.0.1/inc/vk-blocks/build/blocks/ancestor-page-list/index.php#L50
    Patch
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/vk-blocks/tags/1.63.0.1/inc/vk-blocks/build/blocks/ancestor-page-list/index.php#L54
    Patch
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/vk-blocks/tags/1.63.0.1/inc/vk-blocks/build/blocks/ancestor-page-list/index.php#L57
    Patch
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/2983202/vk-blocks/trunk/inc/vk-blocks/build/blocks/ancestor-page-list/index.php
    Patch
  • wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/05dd7c96-7880-44a8-a06f-037bc627fd8d?source=cve
    Third Party Advisory

Remediation

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/vk-blocks/tags/1.63.0.1/inc/vk-blocks/build/blocks/ancestor-page-list/index.php#L50
    Patch
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/vk-blocks/tags/1.63.0.1/inc/vk-blocks/build/blocks/ancestor-page-list/index.php#L54
    Patch
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/vk-blocks/tags/1.63.0.1/inc/vk-blocks/build/blocks/ancestor-page-list/index.php#L57
    Patch
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset/2983202/vk-blocks/trunk/inc/vk-blocks/build/blocks/ancestor-page-list/index.php
    Patch