How severe is CVE-2018-7198?

CVE-2018-7198 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-2018-7198 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-7198?

CVE-2018-7198 affects Octobercms October. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-7198?

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

When was CVE-2018-7198 published?

CVE-2018-7198 was published on 2018-02-18 and last updated on 2026-06-17.

CVE-2018-7198

CVE-2018-7198 is a medium-severity vulnerability in Octobercms October with a CVSS 3.x base score of 6.1. 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 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 2% (82nd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Octobercms October
Published: 2018-02-18
Last modified: 2026-06-17

Description

October CMS through 1.0.431 allows XSS by entering HTML on the Add Posts page.

Frequently asked questions

What is CVE-2018-7198?: October CMS through 1.0.431 allows XSS by entering HTML on the Add Posts page.
How severe is CVE-2018-7198?: CVE-2018-7198 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-2018-7198 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (82nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-7198?: CVE-2018-7198 affects Octobercms October. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-7198?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-7198 published?: CVE-2018-7198 was published on 2018-02-18 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:octobercms:october:*:*:*:*:*:*:*:*

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