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Mybb CVE-2021-27890

HIGH
SQL Injection (CWE-89)
2021-03-15 cve@mitre.org
8.8
CVSS 3.1 · NVD
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Severity by source

NVD PRIMARY
8.8 HIGH
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
CVE Published
Mar 15, 2021 - 18:15 nvd
HIGH 8.8

DescriptionNVD

SQL Injection vulnerablity in MyBB before 1.8.26 via theme properties included in theme XML files.

AnalysisAI

SQL Injection vulnerablity in MyBB before 1.8.26 via theme properties included in theme XML files. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available.

Technical ContextAI

This vulnerability is classified as SQL Injection (CWE-89), which allows attackers to execute arbitrary SQL commands against the database. SQL Injection vulnerablity in MyBB before 1.8.26 via theme properties included in theme XML files. Affected products include: Mybb. Version information: before 1.8.26.

RemediationAI

A vendor patch is available. Apply the latest security update as soon as possible. Use parameterized queries/prepared statements. Never concatenate user input into SQL. Apply least-privilege database permissions.

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CVE-2021-27890 vulnerability details – vuln.today

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