Cross-site scripting in MyBB - CVE-2014-1840
Published: March 3, 2014 / Updated: August 10, 2020
Vulnerability identifier: #VU41972
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2014-1840
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: MyBB Group
Affected software:
MyBB
MyBB
Detailed vulnerability description
Vulnerability allows a remote attacker to perform Cross-site scripting attacks.
An input validation error exists in Upload/search.php in MyBB 1.6.12 and earlier when processing keywords parameter in a do_search action, which is not properly handled in a forced SQL error message. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
How to mitigate CVE-2014-1840
Cybersecurity Help is currently unaware of any official solution to address this vulnerability.