How severe is CVE-2025-4127?

CVE-2025-4127 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2025-4127 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-4127?

CVE-2025-4127 affects Wpsemplugins Wp Seo Structured Data Schema. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-4127?

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

Does CVE-2025-4127 have an EU (EUVD) identifier?

Yes. CVE-2025-4127 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13954.

When was CVE-2025-4127 published?

CVE-2025-4127 was published on 2025-05-08 and last updated on 2026-06-17.

CVE-2025-4127

CVE-2025-4127 is a medium-severity vulnerability in Wpsemplugins Wp Seo Structured Data Schema with a CVSS 3.x base score of 6.4. 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 6.4)
EPSS exploit prediction: 0% (14th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-13954
Weakness: CWE-79
Affected product: Wpsemplugins Wp Seo Structured Data Schema
Published: 2025-05-08
Last modified: 2026-06-17

Description

The WP SEO Structured Data Schema plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘Price Range’ parameter in all versions up to, and including, 2.7.11 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts that will execute whenever an administrator accesses the plugin settings page.

Frequently asked questions

What is CVE-2025-4127?: The WP SEO Structured Data Schema plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the ‘Price Range’ parameter in all versions up to, and including, 2.7.11 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts that will execute whenever an administrator accesses the plugin settings page.
How severe is CVE-2025-4127?: CVE-2025-4127 has a CVSS 3.x base score of 6.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2025-4127 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (14th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-4127?: CVE-2025-4127 affects Wpsemplugins Wp Seo Structured Data Schema. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-4127?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-4127 have an EU (EUVD) identifier?: Yes. CVE-2025-4127 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-13954.
When was CVE-2025-4127 published?: CVE-2025-4127 was published on 2025-05-08 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wpsemplugins:wp_seo_structured_data_schema:*:*:*:*:free:wordpress:*:*

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