CVE-2026-78087
VK Blocks <= 1.126.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Group Block 'linkToPost' Feature
CVSS Score
6.4
EPSS Score
0.0%
EPSS Percentile
0th
The VK Blocks plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Group Block 'linkToPost' Feature in all versions up to, and including, 1.126.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
| CWE | CWE-79 |
| Vendor | vektor-inc |
| Product | vk blocks |
| Published | Oct 15, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
vektor-inc / VK Blocks
0 ≤ 1.126.1
References
Credits
theviper17y