CVE-2024-3637 — The Responsive Contact Form Builder & Lead Generation Plugin WordPress plugin th

The Responsive Contact Form Builder & Lead Generation Plugin WordPress plugin through 1.8.9 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html cap

01What is this vulnerability?

The Responsive Contact Form Builder & Lead Generation Plugin WordPress plugin through 1.8.9 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)

02Affected products

Vendor	Product	Versions
Unknown	Responsive Contact Form Builder & Lead Generation Plugin	0

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Open the Sigma generator with a pre-filled prompt for this CVE to draft a starting detection in your stack of choice:

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07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2024-05-03T06:00:02.151Z
• Last modified: 2025-03-20T13:29:13.546Z

09References

• wpscan.com — https://wpscan.com/vulnerability/33f6fea6-c784-40ae-a548-55d41618752d/