Mybb
CVE-2017-16780
CRITICAL
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Lifecycle Timeline
1DescriptionCVE.org
The installer in MyBB before 1.8.13 allows remote attackers to execute arbitrary code by writing to the configuration file.
AnalysisAI
The installer in MyBB before 1.8.13 allows remote attackers to execute arbitrary code by writing to the configuration file. Rated critical severity (CVSS 9.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Cross-Site Request Forgery (CSRF) (CWE-352), which allows attackers to trick authenticated users into performing unintended actions. The installer in MyBB before 1.8.13 allows remote attackers to execute arbitrary code by writing to the configuration file. Affected products include: Mybb. Version information: before 1.8.13.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Implement anti-CSRF tokens, validate Origin/Referer headers, use SameSite cookie attribute.
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SQL Injection vulnerability in MyBB before 1.8.26 via poll vote count. Rated high severity (CVSS 8.8), this vulnerabilit
SQL Injection vulnerablity in MyBB before 1.8.26 via theme properties included in theme XML files. Rated high severity (
In MyBB before 1.8.21, an attacker can exploit a parsing flaw in the Private Message / Post renderer that leads to [vide
Privilege escalation in MyBB 1.8.40 lets a limited Admin Control Panel (ACP) user who holds only the delegated user-mana
MyBB before 1.8.11 allows remote attackers to bypass an SSRF protection mechanism. Rated high severity (CVSS 7.7), this
SQL injection vulnerability in member.php in MyBB (aka MyBulletinBoard) 1.8.x before 1.8.2 allows remote attackers to ex
An issue in MyBB 1.8.38 allows a remote attacker to obtain sensitive information via the Change Avatar function. Rated h
An issue in MyBB 1.8.38 allows a remote attacker to obtain sensitive information via the Import a Theme function. Rated
An issue in MyBB 1.8.38 allows a remote attacker to obtain sensitive information via the Mail function. Rated high sever
SQL injection vulnerability in admin/modules/user/users.php in MyBB (aka MyBulletinBoard) 1.6.6 allows remote attackers
MyBB is a free and open source forum software. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitabl
Same weakness CWE-352 – Cross-Site Request Forgery (CSRF)
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External POC / Exploit Code
Leaving vuln.today