CVE-2024-6520

Contact Form Plugin by Fluent Forms for Quiz, Survey, and Drag & Drop WP Form Builder <= 5.1.19 - Authenticated (Administrator+) Stored Cross-Site Scripting

MEDIUM
4.4
CVSS Score
Published: July 27, 2024 at 11:37 AM UTC
Updated: June 17, 2026 at 08:18 AM UTC
3 products affected across 3 vendorsContact FormFluent FormsWp Form Builder

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Severity
MEDIUM4.4
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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 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 access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

95%
v < 5.1.20
Affected range stops below 5.1.20, so it looks safe — our inference, not a vendor statement
Fluent Forms· Techjewelwordpress-plugin
60%
v ≤ 5.1.19
60%
v ≤ 5.1.19

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

SSVC — Action Prioritization

SSVCNo known exploitNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.4MEDIUMWordfence
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-79

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