Mybb
CVE-2021-47905
MEDIUM
Severity by source
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
3DescriptionCVE.org
MyBB Delete Account Plugin 1.4 contains a cross-site scripting vulnerability in the account deletion reason input field. Attackers can inject malicious scripts that will execute in the admin interface when viewing delete account reasons.
AnalysisAI
account deletion reason input field. Attackers can inject malicious scripts is affected by cross-site scripting (xss) (CVSS 6.1).
Technical ContextAI
This vulnerability (CWE-79: Cross-site Scripting (XSS)) exists in the admin component. MyBB Delete Account Plugin 1.4 contains a cross-site scripting vulnerability in the account deletion reason input field. Attackers can inject malicious scripts that will execute in the admin interface when viewing delete account reasons.
RemediationAI
Monitor vendor advisories for a patch. Implement output encoding and Content Security Policy headers. Restrict network access to the affected service where possible.
MyBB is a free and open source forum software. Rated high severity (CVSS 7.2), this vulnerability is remotely exploitabl
The installer in MyBB before 1.8.13 allows remote attackers to execute arbitrary code by writing to the configuration fi
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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
Multiple SQL injection vulnerabilities in ajaxfs.php in the Ajax forum stat (Ajaxfs) Plugin 2.0 for MyBB (aka MyBulletin
Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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