SQL Injection Vulnerability in MyBB by MyBB Group
CVE-2021-27890
8.8HIGH
Key Information:
Badges
👾 Exploit Exists🟡 Public PoC
What is CVE-2021-27890?
An SQL Injection vulnerability exists in MyBB versions prior to 1.8.26 that allows attackers to manipulate theme properties through malicious XML files. By exploiting this flaw, a remote attacker could execute arbitrary SQL queries, potentially leading to unauthorized access and data breaches. Website administrators are urged to upgrade to the latest version to mitigate this security risk.
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
EPSS Score
5% chance of being exploited in the next 30 days.
CVSS V3.1
Score:
8.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged
Timeline
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved