Vulnerability Details : CVE-2023-41362
MyBB before 1.8.36 allows Code Injection by users with certain high privileges. Templates in Admin CP intentionally use eval, and there was some validation of the input to eval, but type juggling interfered with this when using PCRE within PHP.
Products affected by CVE-2023-41362
- cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-41362
0.22%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 59 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-41362
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.2
|
HIGH | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H |
1.2
|
5.9
|
NIST |
CWE ids for CVE-2023-41362
-
The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.Assigned by: nvd@nist.gov (Primary)
References for CVE-2023-41362
-
https://blog.sorcery.ie/posts/mybb_acp_rce/
MyBB Admin Panel RCE CVE-2023-41362 - Sorcery Blog
-
https://mybb.com/versions/1.8.36/
Version 1.8.36 - MyBBRelease Notes
-
https://github.com/mybb/mybb/commit/a43a6f22944e769a6eabc58c39e7bc18c1cab4ca.patch
Patch
-
https://github.com/mybb/mybb/security/advisories/GHSA-pr74-wvp3-q6f5
ACP Templates RCE · Advisory · mybb/mybb · GitHubPatch;Third Party Advisory
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