How severe is CVE-2023-6957?

CVE-2023-6957 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-6957 being actively exploited?

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

What products are affected by CVE-2023-6957?

CVE-2023-6957 affects Fluentforms Contact Form. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-6957?

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

Does CVE-2023-6957 have an EU (EUVD) identifier?

Yes. CVE-2023-6957 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59153.

When was CVE-2023-6957 published?

CVE-2023-6957 was published on 2024-03-13 and last updated on 2026-06-17.

CVE-2023-6957

CVE-2023-6957 is a medium-severity vulnerability in Fluentforms Contact Form with a CVSS 3.x base score of 4.9. 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 4.9)
EPSS exploit prediction: 0% (30th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2023-59153
Weakness: CWE-79
Affected product: Fluentforms Contact Form
Published: 2024-03-13
Last modified: 2026-06-17

Description

The Fluent Forms plugin for WordPress by Fluent Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 5.1.9 due to insufficient input sanitization and output escaping. This makes it possible for attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploitation level depends on who is granted the right to create forms by an administrator. This level can be as low as contributor, but by default is admin.

Frequently asked questions

What is CVE-2023-6957?: The Fluent Forms plugin for WordPress by Fluent Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 5.1.9 due to insufficient input sanitization and output escaping. This makes it possible for attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploitation level depends on who is granted the right to create forms by an administrator. This level can be as low as contributor, but by default is admin.
How severe is CVE-2023-6957?: CVE-2023-6957 has a CVSS 3.x base score of 4.9, rated medium severity. It is exploitable over network with high attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-6957 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (30th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-6957?: CVE-2023-6957 affects Fluentforms Contact Form. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-6957?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2023-6957 have an EU (EUVD) identifier?: Yes. CVE-2023-6957 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2023-59153.
When was CVE-2023-6957 published?: CVE-2023-6957 was published on 2024-03-13 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:fluentforms:contact_form:*:*:*:*:*:wordpress:*:*

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