How severe is CVE-2018-16204?

CVE-2018-16204 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-2018-16204 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-16204?

CVE-2018-16204 affects Google Xml Sitemaps Project Google Xml Sitemaps. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2018-16204?

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

When was CVE-2018-16204 published?

CVE-2018-16204 was published on 2019-01-09 and last updated on 2026-06-17.

CVE-2018-16204

CVE-2018-16204 is a medium-severity vulnerability in Google Xml Sitemaps Project Google Xml Sitemaps 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% (48th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Google Xml Sitemaps Project Google Xml Sitemaps
Published: 2019-01-09
Last modified: 2026-06-17

Description

Cross-site scripting vulnerability in Google XML Sitemaps Version 4.0.9 and earlier allows remote authenticated attackers to inject arbitrary web script or HTML via unspecified vectors.

Frequently asked questions

What is CVE-2018-16204?: Cross-site scripting vulnerability in Google XML Sitemaps Version 4.0.9 and earlier allows remote authenticated attackers to inject arbitrary web script or HTML via unspecified vectors.
How severe is CVE-2018-16204?: CVE-2018-16204 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-2018-16204 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (48th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-16204?: CVE-2018-16204 affects Google Xml Sitemaps Project Google Xml Sitemaps. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2018-16204?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2018-16204 published?: CVE-2018-16204 was published on 2019-01-09 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:google_xml_sitemaps_project:google_xml_sitemaps:*:*:*:*:*:wordpress:*:*

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