VulnerabilityModified
CVE-2023-41362
MyBB before 1.8.36 allows Code Injection by users with certain high privileges.
HIGH 7.2EPSS 2.03%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.03%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
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.
- CVSS 3.1
- 7.2 HIGHCVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.03% probability · 80th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-94
- Affected
- mybb/mybb
- Source
- cve@mitre.org
References
- https://blog.sorcery.ie/posts/mybb_acp_rce/
- https://github.com/mybb/mybb/commit/a43a6f22944e769a6eabc58c39e7bc18c1cab4ca.patchPatch
- https://github.com/mybb/mybb/security/advisories/GHSA-pr74-wvp3-q6f5Patch, Third Party Advisory
- https://mybb.com/versions/1.8.36/Release Notes
- https://blog.sorcery.ie/posts/mybb_acp_rce/
- https://github.com/mybb/mybb/commit/a43a6f22944e769a6eabc58c39e7bc18c1cab4ca.patchPatch
- https://github.com/mybb/mybb/security/advisories/GHSA-pr74-wvp3-q6f5Patch, Third Party Advisory
- https://mybb.com/versions/1.8.36/Release Notes
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.