CVE-2023-2877
CVE-2023-2877 is a high-severity vulnerability in Strategy11 Formidable Forms with a CVSS 3.x base score of 8.8. Its EPSS exploit-prediction score of 22% places it in the 97th percentile, indicating an elevated likelihood of exploitation.
Key facts
- Severity: High (CVSS 3.x base score 8.8)
- EPSS exploit prediction: 22% (97th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Strategy11 Formidable Forms
- Published:
- Last modified:
Description
The Formidable Forms WordPress plugin before 6.3.1 does not adequately authorize the user or validate the plugin URL in its functionality for installing add-ons. This allows a user with a role as low as Subscriber to install and activate arbitrary plugins of arbitrary versions from the WordPress.org plugin repository onto the site, leading to Remote Code Execution.
Frequently asked questions
- What is CVE-2023-2877?
- The Formidable Forms WordPress plugin before 6.3.1 does not adequately authorize the user or validate the plugin URL in its functionality for installing add-ons. This allows a user with a role as low as Subscriber to install and activate arbitrary plugins of arbitrary versions from the WordPress.org plugin repository onto the site, leading to Remote Code Execution.
- How severe is CVE-2023-2877?
- CVE-2023-2877 has a CVSS 3.x base score of 8.8, rated high severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2023-2877 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 22% (97th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2023-2877?
- CVE-2023-2877 affects Strategy11 Formidable Forms. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2023-2877?
- 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.
- When was CVE-2023-2877 published?
- CVE-2023-2877 was published on 2023-06-27 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:strategy11:formidable_forms:*:*:*:*:*:wordpress:*:*
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