Vulnerability · Published Apr 10, 2023 · Assigned by WPScan
CVE-2023-0546FluentForms < 4.3.25 - Contributor+ Stored XSS via Custom HTML Form Field
Medium 5.4
In plain English
A medium-severity security flaw in Contact Form Plugin from Unknown. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 41% of all known vulnerabilities).
Severity (CVSS 3.1)5.4Medium
Exploit odds (30 days)0.5%top 58.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
The Contact Form Plugin WordPress plugin before 4.3.25 does not properly sanitize and escape the srcdoc attribute in iframes in it's custom HTML field type, allowing a logged in user with roles as low as contributor to inject arbitrary javascript into a form which will trigger for any visitor to the form or admins previewing or editing the form.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Unknown | Contact Form Plugin | 0 – before 4.3.25 |
References
- https://wpscan.com/vulnerability/078f33cd-0f5c-46fe-b858-2107a09c6b69 exploit, vdb-entry, technical-description