Lazy Blocks < 3.0.0 - Unauthenticated RCE

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-127048
StatePUBLISHED
AssignerWPScan
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-11-15 07:16:54 UTC
Updated2026-11-15 07:16:54 UTC
DescriptionThe Custom Block Builder WordPress plugin before 3.0.0 does not properly deny unauthorised requests to its REST routes, as its permission checks return a non-error response that WordPress treats as granted, allowing unauthenticated users to execute arbitrary PHP code on the server.

Risk And Classification

Problem Types: CWE-94 Improper Control of Generation of Code ('Code Injection')

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA Unknown Custom Block Builder affected 3.0.0 semver Not specified

References

ReferenceSourceLinkTags
wpscan.com/vulnerability/b88c5a75-56ab-4722-8994-bbd6d97d2844 [email protected] wpscan.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Mirza Muhammad Sanaullah (en)

CNA: WPScan (en)

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