How severe is CVE-2024-23335?

CVE-2024-23335 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2024-23335 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-23335?

CVE-2024-23335 affects Mybb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-23335?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-23335 have an EU (EUVD) identifier?

Yes. CVE-2024-23335 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20846.

When was CVE-2024-23335 published?

CVE-2024-23335 was published on 2024-05-01 and last updated on 2026-06-17.

CVE-2024-23335

CVE-2024-23335 is a medium-severity vulnerability in Mybb with a CVSS 3.x base score of 4.7. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-20.

Key facts

Severity: Medium (CVSS 3.x base score 4.7)
EPSS exploit prediction: 1% (42nd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-20846
Weakness: CWE-20
Affected product: Mybb
Published: 2024-05-01
Last modified: 2026-06-17

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

Frequently asked questions

What is 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
How severe is CVE-2024-23335?: CVE-2024-23335 has a CVSS 3.x base score of 4.7, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2024-23335 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (42nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-23335?: CVE-2024-23335 affects Mybb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-23335?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-23335 have an EU (EUVD) identifier?: Yes. CVE-2024-23335 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-20846.
When was CVE-2024-23335 published?: CVE-2024-23335 was published on 2024-05-01 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:mybb:mybb:*:*:*:*:*:*:*:*

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