Vulnerability in Strategy11 Formidable Forms
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.225 (97.6th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 98th percentile — 97.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.225 · newest: 0.225 · change: 0.000
Affected products
- Strategy11 Formidable Forms
- Formidable Forms — versions 0
Public proof-of-concept exploits
References
- wpscan.com/vulnerability/33765da5-c56e-42c1-83dd-fcaad976b402 (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)
Frequently asked questions
- What is CVE-2023-2877?
- CVE-2023-2877 is a high-severity vulnerability in Strategy11 Formidable Forms, classified under CWE-863 INCORRECT AUTHORIZATION. CVSS score: 8.8/10. Published 2023-06-27.
- How severe is CVE-2023-2877?
- High severity. CVSS v3 base score is 8.8 out of 10.
- Is CVE-2023-2877 known to be exploited?
- 4 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.