CVE-2023-0816
CVE-2023-0816 is a medium-severity vulnerability in Strategy11 Formidable Form Builder with a CVSS 3.x base score of 6.5. 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-290.
Key facts
- Severity: Medium (CVSS 3.x base score 6.5)
- EPSS exploit prediction: 0% (39th percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-290
- Affected product: Strategy11 Formidable Form Builder
- Published:
- Last modified:
Description
The Formidable Forms WordPress plugin before 6.1 uses several potentially untrusted headers to determine the IP address of the client, leading to IP Address spoofing and bypass of anti-spam protections.
Frequently asked questions
- What is CVE-2023-0816?
- The Formidable Forms WordPress plugin before 6.1 uses several potentially untrusted headers to determine the IP address of the client, leading to IP Address spoofing and bypass of anti-spam protections.
- How severe is CVE-2023-0816?
- CVE-2023-0816 has a CVSS 3.x base score of 6.5, rated medium 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 none.
- Is CVE-2023-0816 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (39th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-0816?
- CVE-2023-0816 affects Strategy11 Formidable Form Builder. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-0816?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2023-0816 published?
- CVE-2023-0816 was published on 2023-03-27 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:strategy11:formidable_form_builder:*:*:*:*:*:wordpress:*:*
More vulnerabilities in Strategy11 Formidable Form Builder
- CVE-2019-15780 — Critical (CVSS 9.8): The formidable plugin before 4.02.01 for WordPress has unsafe deserialization.
- CVE-2021-24884 — Critical (CVSS 9.6): The Formidable Form Builder WordPress plugin before 4.09.05 allows to inject certain HTML Tags like…
- CVE-2017-20192 — High (CVSS 8.3): The Formidable Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple parameters…
- CVE-2023-24419 — High (CVSS 7.1): Cross-Site Request Forgery (CSRF) vulnerability in Strategy11 Form Builder Team Formidable Forms plugin <= 5.5.6…
- CVE-2023-6830 — Medium (CVSS 6.5): The Formidable Forms plugin for WordPress is vulnerable to HTML injection in versions up to, and including, 6.7. This…
- CVE-2017-20194 — Medium (CVSS 5.3): The Formidable Form Builder plugin for WordPress is vulnerable to Sensitive Data Exposure in versions up to, and…
All CVEs affecting Strategy11 Formidable Form Builder →
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