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CVE-2023-0546

FluentForms < 4.3.25 - Contributor+ Stored XSS via Custom HTML Form Field

MEDIUM
5.4
CVSS Score
Published: April 10, 2023 at 01:18 PM UTC
Updated: June 17, 2026 at 05:25 AM UTC
2 products affected across 2 vendorsContact FormContact Form

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Severity
MEDIUM5.4
Exploit prediction
EPSS 0.5%
SSVC
PoC

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

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

Contact Form· Fluentformswordpress-plugin
95%
v < 4.3.25
Affected range stops below 4.3.25, so it looks safe — our inference, not a vendor statement
Contact Form· Ghozylabwordpress-plugin
60%
v < 4.3.25
Affected range stops below 4.3.25, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (1)

ExploitVDB EntryTechnical DescriptionThird Party Advisory
Source: [email protected]
https://wpscan.com/vulnerability/078f33cd-0f5c-46fe-b858-2107a09c6b69

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

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

CVSS

5.4MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE

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