Vulnerability Details : CVE-2021-27890

Potential exploit
SQL Injection vulnerablity in MyBB before 1.8.26 via theme properties included in theme XML files.
Published 2021-03-15 18:15:19
Updated 2021-09-21 17:48:35
Source MITRE
View at NVD,   CVE.org
Vulnerability category: Sql Injection

Products affected by CVE-2021-27890

Exploit prediction scoring system (EPSS) score for CVE-2021-27890

EPSS FAQ
5.71%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 90 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2021-27890

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.8
 MEDIUM AV:N/AC:M/Au:N/C:P/I:P/A:P
8.6
6.4
 NIST
8.8
 HIGH CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
2.8
5.9
 NIST

CWE ids for CVE-2021-27890

  • The product constructs all or part of an SQL command using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the intended SQL command when it is sent to a downstream component. Without sufficient removal or quoting of SQL syntax in user-controllable inputs, the generated SQL query can cause those inputs to be interpreted as SQL instead of ordinary user data.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2021-27890

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