CVE-2024-10646: The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress
CVE-2024-10646 is a high-severity flaw (CVSS 7.2) affecting contact form. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
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 the form's subject parameter in all versions up to, and including, 5.2.6 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
Why this priority
- High severity
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 7.2 (High) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 0.4% (top 71%) |
| CISA exploited list | No |
| Weakness | CWE-79 |
| Published | 2024-12-14 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2024-10646?
contact form: upgrade to 5.2.7. Exact commands for each OS are on this page.
Is CVE-2024-10646 being exploited?
CVE-2024-10646 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2024-10646 affect?
CVE-2024-10646 affects contact form. Severity is high (CVSS 7.2). 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 the form's subject parameter in all versions up to, and including, 5.2.6 due to
How urgent is CVE-2024-10646?
Priority 38/100. High severity; Remotely exploitable, no login, no user action
Software pages
Related CVEs
- CVE-2025-5730 MEDIUM 4.3 UPGRADE The Contact Form Plugin WordPress plugin before 1.1.29 does not sanitise and escape some of its settings, whic
- CVE-2024-9651 MEDIUM 6.1 UPGRADE The Fluent Forms WordPress plugin before 5.2.1 does not sanitise and escape some of its settings, which could
- CVE-2024-9528 MEDIUM 4.9 UPGRADE The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress
- CVE-2024-6703 MEDIUM 4.9 UPGRADE The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress
- CVE-2024-6521 MEDIUM 4.4 UPGRADE The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress