MEDIUMCVSS v3.1 6.4Vulnerability

CVE-2026-78087

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.

Properties

Severity
MEDIUM
Nvd fetched at
2026-10-20T21:14:08.448323+00:00
Epss score
0.0019
Cvss score
6.4
Cvss severity
MEDIUM
Retrieved at
2026-10-21T01:24:50+00:00
Last source
FIRST EPSS
Score
6.4
Cvss version
3.1
Cve id
CVE-2026-78087
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
First seen by Signal
2026-10-18T13:39:03+00:00
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N
Published at
2026-10-15T06:17:04.787
Last modified
2026-10-15T17:17:28.240
Epss percentile
0.08145

Related Entities (1)

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CVE-2026-78087 (CVSS v3.1 6.4) — Ninja Signal Threat Intelligence | Ninja Signal