Medium severity · published Mar 13, 2024
CVE-2023-6957
Fluent Forms <= 5.1.9 - Authenticated (Contributor+) Stored Cross-Site Scripting
5.4
CVSS
0.4%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.4% · higher than 32% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FF
Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder · techjewel
through 5.1.9 · source: vendor
CF
Contact Form · Fluentforms
before 5.1.10 · source: NVD
Affected product
FF
Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder
techjewel
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-6957
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-6957
Product
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=3041316%40fluentform%2Ftrunk&old=3025740%40fluentform%2Ftrunk&sfp_email=&sfph_mail=
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/f4050403-6b8c-4023-b170-39f3cb68583e?source=cve
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