Home/CVE/SQL Injection vulnerability in MyBB before 1.8.26 via poll vote count. (issue 1 of 3).
CVE

CVE-2021-27946

SQL Injection vulnerability in MyBB before 1.8.26 via poll vote count. (issue 1 of 3).

SQL Injection vulnerability in MyBB before 1.8.26 via poll vote count. (issue 1 of 3).

HIGH · CVSS 8.8 EPSS 0.00122
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  • Public exploit or PoC is available
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-89Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
▤

Affected Products & Versions

1
mybb< 1.8.26
⚠

Public Exploits & PoCs

2
webappsMyBB 1.8.25 - Poll Vote Count SQL Injection2021-03-23
pocpacketstormsecurity.com · MyBB-1.8.25-SQL-Injection.htmlpacketstormsecurity.com
▣

Scoring & Timeline

8.8
HIGH · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD15 Mar 2021 · 06:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/mybb/mybb/security/advisories/GHSA-23m9-w75q-ph4pPatchRelease NotesThird Party Advisory
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