CVE-2023-2877: strategy11 formidable_forms Missing Authorization
Vulnerability summary
CVE-2023-2877 is a high (CVSS 8.8) Missing Authorization vulnerability in strategy11 formidable_forms. EPSS estimates a 22.45% chance of exploitation in the next 30 days, higher than 97.6% of scored vulnerabilities. 1 public exploit is recorded.
Timeline
- 27-06-2023PublishedVulnerability first disclosed.
- 03-12-2024Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- wordfenceSource6.5MediumCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:NDiffers
EPSS trend
Probability
22.45%
Chance of exploitation in the next 30 days
Percentile
98%
Versus all other CVEs
30-day change
0.00 pp
From 22.45% on 20-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (wpscan.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Strategy111 product
- formidable_forms< 6.3.1
Unknown1 product
- formidable forms< 6.3.1
Wordpress1 product
- formidable< 6.3.1
3 vendors · 3 products
References
2 links- wpscan.com/vulnerability/33765da5-c56e-42c1-83dd-fcaad976b402ExploitVDB EntryTechnical DescriptionThird Party Advisory