CVEvulnerability

CVE-2021-26634

9.8 CRITICAL Published 2022-06-02 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2022-06-02
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 3.1 ([email protected])
9.8 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
7.5 HIGH — AV:N/AC:L/Au:N/C:P/I:P/A:P
Weaknesses
CWE-288, CWE-434, CWE-89

Description

SQL injection and file upload attacks are possible due to insufficient validation of input values in some parameters and variables of files compromising Maxboard, which may lead to arbitrary code execution or privilege escalation. Attackers can use these vulnerabilities to perform attacks such as stealing server management rights using a web shell.

Affected configurations

• maxb maxboard (< 1.9.6)

Related

Weakness · CWE (3)

  • CWE-288 Authentication Bypass Using an Alternate Path or Channel weakness
  • CWE-434 Unrestricted Upload of File with Dangerous Type weakness
  • CWE-89 Improper Neutralization of Special Elements used in an SQL Command weakness

References