CVE-2024-23335 json
Backups directory .htaccess deletion in. MyBB
published 2024-05-01 2 y ago modified 2026-06-17 4 mo ago also EUVD-2024-20846
- cvss
- 4.7
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 46%
- public exploits
- 0
- none known
Summary
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
Patch / fix
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 y ago
Exploit prediction
0.56% chance of exploitation in the next 30 days, higher than 46% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 4.7 | CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L |
Affected products
- mybb mybb
Classification
- Weakness
-
- CWE-20 Improper Input Validation
References
-
github.com
/mybb/mybb/commit/450259e501b94c9d483efb167cb2bf875605e111.patch
patch
-
github.com
/mybb/mybb/security/advisories/GHSA-94xr-g4ww-j47r
vendor-advisory
-
mybb.com
/versions/1.8.38
product, release-notes
Sources
- CVE List CVE-2024-23335
- NVD CVE-2024-23335
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.