Medium severity · published Jul 27, 2024
CVE-2024-6521
Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder <= 5.1.19 - Authenticated (Administrator+) Stored Cross-Site Scripting
4.4
CVSS
0.3%
EPSS
No
On KEV
Description
The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via dropdown fields in all versions up to, and including, 5.1.19 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
High
Privileges
High
User interaction
None
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% 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 5.1.19 · source: vendor
CF
Contact Form · Fluentforms
before 5.1.20 · source: NVD, CISA
Affected product
FF
Fluent Forms – Customizable Contact Forms, Survey, Quiz, & Conversational Form Builder
techjewel
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-6521
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-6521
Patch
https://plugins.trac.wordpress.org/changeset/3125227/
Release Notes
https://wordpress.org/plugins/fluentform/#developers
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/be7c6cfa-6cac-46d2-8eb9-9fef8049f6e7?source=cve
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