How severe is CVE-2018-6013?

CVE-2018-6013 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-2018-6013 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-6013?

CVE-2018-6013 affects Bigtreecms Bigtree Cms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-6013?

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

When was CVE-2018-6013 published?

CVE-2018-6013 was published on 2018-01-23 and last updated on 2026-06-17.

CVE-2018-6013

CVE-2018-6013 is a medium-severity vulnerability in Bigtreecms Bigtree Cms 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

Severity: Medium (CVSS 3.x base score 5.4)
CVSS v2: 3.5
EPSS exploit prediction: 1% (53rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Bigtreecms Bigtree Cms
Published: 2018-01-23
Last modified: 2026-06-17

Description

Cross-site scripting (XSS) in BigTree 4.2.19 allows any remote users to inject arbitrary web script or HTML via the directory parameter. This issue exists in core/admin/ajax/developer/extensions/file-browser.php.

Frequently asked questions

What is CVE-2018-6013?: Cross-site scripting (XSS) in BigTree 4.2.19 allows any remote users to inject arbitrary web script or HTML via the directory parameter. This issue exists in core/admin/ajax/developer/extensions/file-browser.php.
How severe is CVE-2018-6013?: CVE-2018-6013 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-2018-6013 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (53rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-6013?: CVE-2018-6013 affects Bigtreecms Bigtree Cms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-6013?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-6013 published?: CVE-2018-6013 was published on 2018-01-23 and last updated on 2026-06-17.

References

https://github.com/bigtreecms/BigTree-CMS/issues/327

Affected products (1)

cpe:2.3:a:bigtreecms:bigtree_cms:4.2.19:*:*:*:*:*:*:*

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