How severe is CVE-2022-45867?

CVE-2022-45867 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2022-45867 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2022-45867?

CVE-2022-45867 affects Mybb. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2022-45867?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2022-45867 published?

CVE-2022-45867 was published on 2023-01-03 and last updated on 2026-06-17.

CVE-2022-45867

CVE-2022-45867 is a high-severity vulnerability in Mybb with a CVSS 3.x base score of 7.2. 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-22.

Key facts

Severity: High (CVSS 3.x base score 7.2)
EPSS exploit prediction: 1% (73rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-22
Affected product: Mybb
Published: 2023-01-03
Last modified: 2026-06-17

Description

MyBB before 1.8.33 allows Directory Traversal. The Admin CP Languages module allows remote authenticated users, with high privileges, to achieve local file inclusion and execution.

Frequently asked questions

What is CVE-2022-45867?: MyBB before 1.8.33 allows Directory Traversal. The Admin CP Languages module allows remote authenticated users, with high privileges, to achieve local file inclusion and execution.
How severe is CVE-2022-45867?: CVE-2022-45867 has a CVSS 3.x base score of 7.2, rated high severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2022-45867 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (73rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2022-45867?: CVE-2022-45867 affects Mybb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2022-45867?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2022-45867 published?: CVE-2022-45867 was published on 2023-01-03 and last updated on 2026-06-17.

References

https://github.com/mybb/mybb/security/advisories/GHSA-cpfv-6f8w-759r

Affected products (1)

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

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