How severe is CVE-2018-18927?

CVE-2018-18927 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2018-18927 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-18927?

CVE-2018-18927 affects Publiccms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-18927?

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

When was CVE-2018-18927 published?

CVE-2018-18927 was published on 2018-11-04 and last updated on 2026-06-17.

CVE-2018-18927

CVE-2018-18927 is a medium-severity vulnerability in Publiccms with a CVSS 3.x base score of 4.8. 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 4.8)
CVSS v2: 3.5
EPSS exploit prediction: 1% (46th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Publiccms
Published: 2018-11-04
Last modified: 2026-06-17

Description

An issue was discovered in PublicCMS V4.0. It allows XSS by modifying the page_list "attached" attribute (which typically has 'class="icon-globe icon-large"' in its value), as demonstrated by an 'UPDATE sys_module SET attached = "[XSS]" WHERE id="page_list"' statement.

Frequently asked questions

What is CVE-2018-18927?: An issue was discovered in PublicCMS V4.0. It allows XSS by modifying the page_list "attached" attribute (which typically has 'class="icon-globe icon-large"' in its value), as demonstrated by an 'UPDATE sys_module SET attached = "[XSS]" WHERE id="page_list"' statement.
How severe is CVE-2018-18927?: CVE-2018-18927 has a CVSS 3.x base score of 4.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2018-18927 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (46th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-18927?: CVE-2018-18927 affects Publiccms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-18927?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-18927 published?: CVE-2018-18927 was published on 2018-11-04 and last updated on 2026-06-17.

References

https://github.com/sanluan/PublicCMS/issues/22

Affected products (1)

cpe:2.3:a:publiccms:publiccms:4.0:*:*:*:*:*:*:*

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