CVE-2017-20192
CVE-2017-20192 is a high-severity vulnerability in Strategy11 Formidable Form Builder with a CVSS 3.x base score of 8.3. 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: High (CVSS 3.x base score 8.3)
- EPSS exploit prediction: 1% (59th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2017-18910
- Weakness: CWE-79
- Affected product: Strategy11 Formidable Form Builder
- Published:
- Last modified:
Description
The Formidable Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple parameters submitted during form entries like 'after_html' in versions before 2.05.03 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute in a victim's browser.
Frequently asked questions
- What is CVE-2017-20192?
- The Formidable Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple parameters submitted during form entries like 'after_html' in versions before 2.05.03 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute in a victim's browser.
- How severe is CVE-2017-20192?
- CVE-2017-20192 has a CVSS 3.x base score of 8.3, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
- Is CVE-2017-20192 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (59th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-20192?
- CVE-2017-20192 affects Strategy11 Formidable Form Builder. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2017-20192?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- Does CVE-2017-20192 have an EU (EUVD) identifier?
- Yes. CVE-2017-20192 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2017-18910.
- When was CVE-2017-20192 published?
- CVE-2017-20192 was published on 2024-10-16 and last updated on 2026-06-17.
References
- https://klikki.fi/adv/formidable.html
- https://wordpress.org/plugins/formidable/#developers
- https://www.wordfence.com/threat-intel/vulnerabilities/id/900fcaab-2424-4ae8-af18-95659db0dbe3?source=cve
Affected products (1)
- cpe:2.3:a:strategy11:formidable_form_builder:*:*:*:*:*:wordpress:*:*
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