How severe is CVE-2018-14392?

CVE-2018-14392 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-14392 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 49% (99th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-14392?

CVE-2018-14392 affects Mybb New Threads. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-14392?

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

When was CVE-2018-14392 published?

CVE-2018-14392 was published on 2018-07-19 and last updated on 2026-06-17.

CVE-2018-14392

CVE-2018-14392 is a medium-severity vulnerability in Mybb New Threads with a CVSS 3.x base score of 6.1. Its EPSS exploit-prediction score of 49% places it in the 99th percentile, indicating an elevated likelihood of exploitation. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 49% (99th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Mybb New Threads
Published: 2018-07-19
Last modified: 2026-06-17

Description

The New Threads plugin before 1.2 for MyBB has XSS.

Frequently asked questions

What is CVE-2018-14392?: The New Threads plugin before 1.2 for MyBB has XSS.
How severe is CVE-2018-14392?: CVE-2018-14392 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-14392 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 49% (99th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-14392?: CVE-2018-14392 affects Mybb New Threads. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-14392?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-14392 published?: CVE-2018-14392 was published on 2018-07-19 and last updated on 2026-06-17.

References

Affected products (1)

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

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