How severe is CVE-2025-5539?

CVE-2025-5539 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-2025-5539 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-5539?

CVE-2025-5539 affects Emarketdesign Wp Easy Contact. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-5539?

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

Does CVE-2025-5539 have an EU (EUVD) identifier?

Yes. CVE-2025-5539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16817.

When was CVE-2025-5539 published?

CVE-2025-5539 was published on 2025-06-04 and last updated on 2026-06-17.

CVE-2025-5539

CVE-2025-5539 is a medium-severity vulnerability in Emarketdesign Wp Easy Contact 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% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-16817
Weakness: CWE-79
Affected product: Emarketdesign Wp Easy Contact
Published: 2025-06-04
Last modified: 2026-06-17

Description

The Simple Contact Form Plugin for WordPress – WP Easy Contact plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'emd_mb_meta' shortcode in all versions up to, and including, 4.0.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Frequently asked questions

What is CVE-2025-5539?: The Simple Contact Form Plugin for WordPress – WP Easy Contact plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'emd_mb_meta' shortcode in all versions up to, and including, 4.0.0 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
How severe is CVE-2025-5539?: CVE-2025-5539 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-2025-5539 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-5539?: CVE-2025-5539 affects Emarketdesign Wp Easy Contact. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-5539?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-5539 have an EU (EUVD) identifier?: Yes. CVE-2025-5539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-16817.
When was CVE-2025-5539 published?: CVE-2025-5539 was published on 2025-06-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:emarketdesign:wp_easy_contact:*:*:*:*:*:wordpress:*:*

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