CVE-2023-41362

Name: CVE-2023-41362
Creator: NVD / NIST
Published: 2023-08-29T16:15:09.237+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.2/10EPSS 1.64%

Last modified Jun 17, 2026

CVE-2023-41362 is a high-severity vulnerability rated 7.2/10 on the CVSS scale. 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.. EPSS estimates a 1.64% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

7.2/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

1.64%

73.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Mybb	Mybb	< 1.8.36

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

Timeline

Published: Aug 29, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-41362?

How severe is CVE-2023-41362?

CVE-2023-41362 has a CVSS score of 7.2/10 (HIGH severity). The EPSS model estimates a 1.64% probability of exploitation in the next 30 days.

How do I fix CVE-2023-41362?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-41362?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST