CVE Vulnerability

CVE-2021-27890

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

6.8 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 8.6 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://github.com/mybb/mybb/security/advisories/GHSA-r34m-ccm8-mfhq Patch Release Notes
http://packetstormsecurity.com/files/161908/MyBB-1.8.25-Remote-Command-Execution.html Third Party Advisory VDB Entry
https://blog.sonarsource.com/mybb-remote-code-execution-chain Exploit Third Party Advisory
Configurations

Configuration 1

cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*
Information

Published : 2021-03-15 06:15

Updated : 2021-09-21 05:48

NVD link : CVE-2021-27890

Mitre link : CVE-2021-27890

Products Affected
No products.
CWE
CWE-89