CVE-2011-10018 — myBB 1.6.4 Backdoor Arbitrary Command Execution
myBB version 1.6.4 was distributed with an unauthorized backdoor embedded in the source code. The backdoor allowed remote attackers to execute arbitrary PHP code by injecting pa…
Published: 2025-08-13 · CVSS: 10.0 · CVSS 4.0
myBB version 1.6.4 was distributed with an unauthorized backdoor embedded in the source code. The backdoor allowed remote attackers to execute arbitrary PHP code by injecting payloads into a specially crafted collapsed cookie. This vulnerability was introduced during packaging and was not part of the intended application logic. Exploitation requires no authentication and results in full compromise of the web server under the context of the web application.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7