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CVE-2024-10646: The Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder plugin for WordPress

38
Routine
HIGH 7.2REMOTEUPGRADE

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 score7.2 (High)
Attack vectorNetwork (remote)
Attack complexityLow
Privileges neededNone
User interactionNone
EPSS exploit chance0.4% (top 71%)
CISA exploited listNo
WeaknessCWE-79
Published2024-12-14
Last modified2026-06-17
Publisher (CNA): Wordfence · Vendor: fluentforms

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Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

fluentforms contact form UPGRADE
Affected: < 5.2.7
Fixed in: 5.2.7
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy contact-form || rpm -q contact-form || contact-form --version
2. UPGRADE to 5.2.7 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade contact-form
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade contact-form
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
Verify at the official source NVD · CVE Program · Report a problem with this page
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

WordPress vulnerabilities

Related CVEs

References

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