[Japanese]

JVNDB-2026-000129

Multiple vulnerabilities in baserCMS plugin "BurgerEditor"

Overview

baserCMS plugin "BurgerEditor" provided by D-ZERO CO.,LTD. contains multiple vulnerabilities listed below:
  • Authorization Bypass Through User-Controlled Key (CWE-639) - CVE-2026-84062
  • Unrestricted Upload of File with Dangerous Type (CWE-434) - CVE-2026-84063
Kuniyoshi Noguchi @KuniNogu reported these vulnerabilities to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 6.5 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: High
  • User Interaction: None
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: None
CVSS v4 Severity
Base Metrics: 8.5 (High) [IPA Score]
  • Access Vector (AV): Network
  • Attack Complexity (AC): Low
  • Attack Requirements (AT): None
  • Privileges Required (PR): High
  • User Interaction (UI): None
    • Vulnerable System Impact
  • Confidentiality Impact (VC): High
  • Integrity Impact (VI): High
  • Availability Impact (VA): None
    • Subsequent System Impact
  • Confidentiality Impact (SC): None
  • Integrity Impact (SI): None
  • Availability Impact (SA): None
The above CVSS base scores have been assigned for CVE-2026-84063

CVSS v3 Severity
Base Metrics: 4.3(Medium) [IPA Score]
  • Access Vector : Network
  • Attack Complexity : Low
  • Privileges Required : Low
  • User Interaction : None
  • Scope : Unchanged
  • Confidentiality Impact : None
  • Integrity Impact : Low
  • Availability Impact : None
CVSS v4 Severity
Base Metrics: 5.3 (Medium) [IPA Score]
  • Access Vector (AV): Network
  • Attack Complexity (AC): Low
  • Attack Requirements (AT): None
  • Privileges Required (PR): Low
  • User Interaction (UI): None
    • Vulnerable System Impact
  • Confidentiality Impact (VC): None
  • Integrity Impact (VI): Low
  • Availability Impact (VA): None
    • Subsequent System Impact
  • Confidentiality Impact (SC): None
  • Integrity Impact (SI): None
  • Availability Impact (SA): None
The above CVSS base scores have been assigned for CVE-2026-84062
Affected Products


D-ZERO CO.,LTD.
  • BurgerEditor 3.0.0 through 3.4.0 (CVE-2026-84062)
  • BurgerEditor 3.2.0 through 3.4.0 (CVE-2026-84063)
  • BurgerEditor 2.28.0 through 2.30.0 (CVE-2026-84063)

Impact

  • The content of the page may be altered by an attacker who can log in to the product (CVE-2026-84062).
  • An arbitrary file may be uploaded by an attacker who can log in to the product, potentially allowing arbitrary PHP code to be executed (CVE-2026-84063).
Solution

[Update the plugin]
Update the plugin to the latest version according to the information provided by the developer.
Vendor Information

D-ZERO CO.,LTD.
CWE (What is CWE?)

  1. No Mapping(CWE-Other) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2026-84062
  2. CVE-2026-84063
References

  1. JVN : JVN#21088484
Revision History

  • [2026/09/09]
      Web page was published

Date Public2026/09/09
Date First Published2026/09/09
Date Last Updated2026/09/09