CVE-2024-23335 | BDVDB-2026-233115 Detail

mybbmybb

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

Impact#

Per CVSS v3.1: confidentiality impact low, integrity impact low, availability impact low. Attack vector: network.

Weaknesses#

CWE-20 Improper Input Validation

References#

Exploit#

No public exploit known

History#

Version 12024-05-01Record published in the CVE List.
Version 22024-08-01Most recent update recorded in the CVE List.

Published

Published: 2024-05-01
Last modified: 2024-08-01

Vendor information

Vendor: mybb
Product: mybb

All mybb vulnerabilities

Score

4.7 Medium

EPSS

less than 1%, Very Low

Estimated chance of exploitation in the next 30 days. EPSS percentile: 46.9.

KEV

Not listed in the CISA Known Exploited Vulnerabilities catalog.

Impact

Improper Input Validation

Action

No specific action is recorded in the source data. Check the references for vendor guidance.

Affected Systems

Vulnerable
< 1.8.38
Fixed
Not stated

Scoring System

CVSS v4.0

Not available

CVSS v3.1

4.7 Medium

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

Metric breakdown
Attack Vector	Network
Attack Complexity	Low
Privileges Required	High
User Interaction	None
Scope	Unchanged
Confidentiality	Low
Integrity	Low
Availability	Low

CVSS v3.0

Not available

CVSS v2

Not available

Source: CVE List v5 (record); CISA KEV (kev, action); FIRST EPSS (epss).