XSS in Wpdevart Contact Form Builder
CVE-2022-50959
WordPress Contact Form Builder 1.6.1 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to inject malicious scripts by exploiting the form_id parameter. Attackers can craft malicious URLs to code_generator.php with script payloads in the form_id parameter to execute arbitrary JavaScript in victim browsers.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.002 (9.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 10th percentile — 9.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000
Affected products
- Wpdevart Contact Form Builder — versions 1.6.1
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/50734 (exploit)
- wordpress.org/plugins/contact-forms-builder/ (product)
- www.vulncheck.com/advisories/wordpress-contact-form-builder-cross-site-scriptin… (third-party-advisory)
Frequently asked questions
- What is CVE-2022-50959?
- CVE-2022-50959 is a medium-severity vulnerability in Wpdevart Contact Form Builder, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-05-10.
- How severe is CVE-2022-50959?
- Medium severity. CVSS v3 base score is 6.1 out of 10.