How severe is CVE-2018-16346?

CVE-2018-16346 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-2018-16346 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16346?

CVE-2018-16346 affects Chemcms Project Chemcms. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16346?

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

When was CVE-2018-16346 published?

CVE-2018-16346 was published on 2018-09-02 and last updated on 2026-06-17.

CVE-2018-16346

CVE-2018-16346 is a medium-severity vulnerability in Chemcms Project Chemcms 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% (43rd percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Chemcms Project Chemcms
Published: 2018-09-02
Last modified: 2026-06-17

Description

ChemCMS 1.0.6 has XSS via the "setting -> website information" field.

Frequently asked questions

What is CVE-2018-16346?: ChemCMS 1.0.6 has XSS via the "setting -> website information" field.
How severe is CVE-2018-16346?: CVE-2018-16346 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-2018-16346 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16346?: CVE-2018-16346 affects Chemcms Project Chemcms. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16346?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-16346 published?: CVE-2018-16346 was published on 2018-09-02 and last updated on 2026-06-17.

References

https://github.com/chemcms/ChemCMS/issues/2

Affected products (1)

cpe:2.3:a:chemcms_project:chemcms:1.0.6:*:*:*:*:*:*:*

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