CVE-2026-1560HIGH 8.8EPSS p94.6%

CVE-2026-1560CVE-2026-1560

Description

The Custom Block Builder – Lazy Blocks plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 4.2.0 via multiple functions in the 'LazyBlocks_Blocks' class. This makes it possible for authenticated attackers, with Contributor-level access and above, to execute code on the server.

Scoring

CVSS 3.18.8 (HIGH)
VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS9.09% probability of exploitation · percentile 94.6% · 2026-06-18T12:00:27Z
Published2026-02-11
Last modified2026-04-15

Underlying weaknesses· 1

CWE-94

References

  1. https://plugins.trac.wordpress.org/browser/lazy-blocks/trunk/classes/class-blocks.php#L1637
  2. https://plugins.trac.wordpress.org/browser/lazy-blocks/trunk/classes/class-blocks.php#L766
  3. https://plugins.trac.wordpress.org/browser/lazy-blocks/trunk/classes/class-rest.php#L88
  4. https://plugins.trac.wordpress.org/changeset/3454012/
  5. https://www.wordfence.com/threat-intel/vulnerabilities/id/b1853c88-277b-4955-b042-aeed1cffb49b?source=cve

1

TypeTargetConfidenceTier
WeaknessImproper Control of Generation of Code ('Code Injection')cwe-940%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

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Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.