Vulnerability Details : CVE-2021-4367
Potential exploit
The Flo Forms – Easy Drag & Drop Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via Options Change by using the flo_import_forms_options AJAX action in versions up to, and including, 1.0.35 due to insufficient input sanitization and output escaping along with missing capability checks. This makes it possible for authenticated attackers, like subscribers, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Vulnerability category: Cross site scripting (XSS)
Products affected by CVE-2021-4367
- cpe:2.3:a:flothemes:flo_forms:*:*:*:*:*:wordpress:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-4367
0.10%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 25 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-4367
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
5.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
2.3
|
2.7
|
NIST | |
6.4
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
3.1
|
2.7
|
Wordfence |
CWE ids for CVE-2021-4367
-
The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.Assigned by:
- nvd@nist.gov (Primary)
- security@wordfence.com (Secondary)
References for CVE-2021-4367
-
https://www.wordfence.com/threat-intel/vulnerabilities/id/a175e103-ab89-404b-8736-94d0d93d6cf3?source=cve
Flo Forms – Easy Drag & Drop Form Builder <= 1.0.35 - Options Change to Stored Cross-Site ScriptingThird Party Advisory
-
https://blog.nintechnet.com/zero-day-vulnerability-fixed-in-wordpress-flo-forms-plugin/
Zero-day vulnerability fixed in WordPress Flo Forms plugin. – NinTechNetExploit
-
https://wpscan.com/vulnerability/b4a83501-c727-4c9b-a9a1-46b399ab0caa
Just a moment...Third Party Advisory
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