CVE-2021-25088

CVE-2021-25088 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

Description

The XML Sitemaps WordPress plugin before 4.1.3 does not sanitise and escape a settings before outputting it in the Debug page, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

Frequently asked questions

What is CVE-2021-25088?
The XML Sitemaps WordPress plugin before 4.1.3 does not sanitise and escape a settings before outputting it in the Debug page, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
How severe is CVE-2021-25088?
CVE-2021-25088 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-2021-25088 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-2021-25088?
CVE-2021-25088 affects Google Xml Sitemaps Project Google Xml Sitemaps. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2021-25088?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2021-25088 published?
CVE-2021-25088 was published on 2022-06-20 and last updated on 2026-06-17.

References

Affected products (1)

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