Improper input validation in Mybb
CVE-2024-23335
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
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.7 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.006 (44.3th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 44th percentile — 44.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.006 · newest: 0.006 · change: 0.000
Affected products
- Mybb — versions < 1.8.38
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/mybb/mybb/security/advisories/GHSA-94xr-g4ww-j47r (Vendor Advisory)
- github.com/mybb/mybb/commit/450259e501b94c9d483efb167cb2bf875605e111.patch (Patch)
- mybb.com/versions/1.8.38 (Product, Release Notes)
Frequently asked questions
- What is CVE-2024-23335?
- CVE-2024-23335 is a medium-severity vulnerability in Mybb, classified under Improper Input Validation. CVSS score: 4.7/10. Published 2024-05-01.
- How severe is CVE-2024-23335?
- Medium severity. CVSS v3 base score is 4.7 out of 10.
- Is CVE-2024-23335 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.