XSS in Fluentforms Contact Form
CVE-2023-6957
The Fluent Forms plugin for WordPress by Fluent Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 5.1.9 due to insufficient input sanitization and output escaping. This makes it possible for attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. The exploitation level depends on who is granted the right to create forms by an administrator. This level can be as low as contributor, but by default is admin.
Vulnerability class: XSS (Cross-Site Scripting)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N.
EPSS exploit prediction
EPSS: 0.004 (29.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: 0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.wordfence.com/threat-intel/vulnerabilities/id/f4050403-6b8c-4023-b170-39f3c… (Third Party Advisory)
- plugins.trac.wordpress.org/changeset (Product)
Frequently asked questions
- What is CVE-2023-6957?
- CVE-2023-6957 is a medium-severity vulnerability in Fluentforms Contact Form, classified under Cross-site Scripting. CVSS score: 4.9/10. Published 2024-03-13.
- How severe is CVE-2023-6957?
- Medium severity. CVSS v3 base score is 4.9 out of 10.
- Is CVE-2023-6957 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.