CVE-2024-0618Public exploitNetwork attack vector

Administrator-level stored XSS via imported form titles

Published Jan 27, 2024 · Updated Apr 8, 2026

Stored XSS in Fluent Forms 5.1.5 and earlier allows remote authenticated users to execute scripts through imported form titles. The form-import path accepts a title from uploaded JSON and later renders it without sufficient input sanitization or output escaping. Administrator-level access is required, and exposure is limited to multisite installations or installations where unfiltered_html is disabled; viewing an injected page executes the stored script.

CVSS severity4.4
Medium
EPSS probability0.54%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Stored XSS in Fluent Forms 5.1.5 and earlier allows remote authenticated users to execute scripts through imported form titles. The form-import path accepts a title from uploaded JSON and later renders it without sufficient input sanitization or output escaping. Administrator-level access is required, and exposure is limited to multisite installations or installations where unfiltered_html is disabled; viewing an injected page executes the stored script.

The record

CVE
CVE-2024-0618
Published
Jan 27, 2024
Updated
Apr 8, 2026
Vendor
Mahmudul Hasan Arif
Product
Fluent Forms
Classifications
CWE-79, T1059.007
Attack vector
network
Privileges
admin

Timeline

How it unfolded

  1. Jan 27, 2024CVE publishedPublication date reported by the CVE source.
  2. Apr 8, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=0 <=5.1.5

What conditions does exploitation require?

Attack vectornetwork
Required privilegesadmin

What is affected?

Mahmudul Hasan Arif · Fluent Formsversion=0 <=5.1.5

Published CVSS scores

4.4WordfenceCVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N
4.8NIST NVDCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesadmin
Known exploitationUnconfirmed
Public exploitPublished

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1059.007JavaScript/JScript

Public exploit references

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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