How severe is CVE-2023-0546?

CVE-2023-0546 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2023-0546 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2023-0546?

CVE-2023-0546 affects Fluentforms Contact Form. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2023-0546?

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

When was CVE-2023-0546 published?

CVE-2023-0546 was published on 2023-04-10 and last updated on 2026-06-17.

CVE-2023-0546

CVE-2023-0546 is a medium-severity vulnerability in Fluentforms Contact Form with a CVSS 3.x base score of 5.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

Severity: Medium (CVSS 3.x base score 5.4)
EPSS exploit prediction: 0% (38th percentile)
Actively exploited: Not listed in CISA KEV
Affected product: Fluentforms Contact Form
Published: 2023-04-10
Last modified: 2026-06-17

Description

The Contact Form Plugin WordPress plugin before 4.3.25 does not properly sanitize and escape the srcdoc attribute in iframes in it's custom HTML field type, allowing a logged in user with roles as low as contributor to inject arbitrary javascript into a form which will trigger for any visitor to the form or admins previewing or editing the form.

Frequently asked questions

What is CVE-2023-0546?: The Contact Form Plugin WordPress plugin before 4.3.25 does not properly sanitize and escape the srcdoc attribute in iframes in it's custom HTML field type, allowing a logged in user with roles as low as contributor to inject arbitrary javascript into a form which will trigger for any visitor to the form or admins previewing or editing the form.
How severe is CVE-2023-0546?: CVE-2023-0546 has a CVSS 3.x base score of 5.4, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2023-0546 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (38th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-0546?: CVE-2023-0546 affects Fluentforms Contact Form. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-0546?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2023-0546 published?: CVE-2023-0546 was published on 2023-04-10 and last updated on 2026-06-17.

References

https://wpscan.com/vulnerability/078f33cd-0f5c-46fe-b858-2107a09c6b69

Affected products (1)

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

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