CVE-2024-23335

Name: CVE-2024-23335
Creator: NVD / NIST
Published: 2024-05-01T07:15:38.24+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 4.7/10EPSS 0.56%

Last modified Jun 17, 2026

CVE-2024-23335 is a medium-severity vulnerability rated 4.7/10 on the CVSS scale. MyBB is a free and open source forum software. The backup management module of the Admin CP may accept `.htaccess` as the name of the backup file to be deleted, which may expose the stored backup files over HTTP on Apache servers. EPSS estimates a 0.56% chance of exploitation in the next 30 days.

Description

MyBB is a free and open source forum software. The backup management module of the Admin CP may accept `.htaccess` as the name of the backup file to be deleted, which may expose the stored backup files over HTTP on Apache servers. MyBB 1.8.38 resolves this issue. Users are advised to upgrade. There are no known workarounds for this vulnerability

Metrics

CVSS 3.1

4.7/10

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

EPSS Probability

0.56%

42.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-20

Affected Software

Vendor	Product	Versions
Mybb	Mybb	< 1.8.38

References

https://github.com/mybb/mybb/commit/450259e501b94c9d483efb167cb2bf875605e111.patchPatch
https://github.com/mybb/mybb/security/advisories/GHSA-94xr-g4ww-j47rVendor Advisory
https://mybb.com/versions/1.8.38Product, Release Notes
https://github.com/mybb/mybb/commit/450259e501b94c9d483efb167cb2bf875605e111.patchPatch
https://github.com/mybb/mybb/security/advisories/GHSA-94xr-g4ww-j47rVendor Advisory
https://mybb.com/versions/1.8.38Product, Release Notes

Timeline

Published: May 1, 2024
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2024-23335?

How severe is CVE-2024-23335?

CVE-2024-23335 has a CVSS score of 4.7/10 (MEDIUM severity). The EPSS model estimates a 0.56% probability of exploitation in the next 30 days.

How do I fix CVE-2024-23335?

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-2024-23335?

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

Scan your code now

Source: NVD / NIST