CVE-2018-6844

CVE-2018-6844 is a medium-severity vulnerability in Mybb with a CVSS 3.x base score of 5.4. 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-79.

Key facts

Description

MyBB 1.8.14 has XSS via the Title or Description field on the Edit Forum screen.

Frequently asked questions

What is CVE-2018-6844?
MyBB 1.8.14 has XSS via the Title or Description field on the Edit Forum screen.
How severe is CVE-2018-6844?
CVE-2018-6844 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-6844 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (45th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6844?
CVE-2018-6844 affects Mybb. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6844?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-6844 published?
CVE-2018-6844 was published on 2018-02-08 and last updated on 2026-06-17.

References

Affected products (1)

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