CVE-2026-56071Network attack vector

Unauthenticated cross-site scripting

Published Jun 25, 2026 · Updated Jun 25, 2026

Cross-site scripting in WPMU DEV Forminator Forms 1.53.1 and earlier allows remote attackers to execute script in visitors' browsers. The published record does not identify the affected request parameter, rendering path, or missing sanitization or output-escaping operation. No authentication is required; successful exploitation runs attacker-supplied script in a visitor's browser under the affected site's origin.

CVSS severity7.1
High
EPSS probability0.25%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in WPMU DEV Forminator Forms 1.53.1 and earlier allows remote attackers to execute script in visitors' browsers. The published record does not identify the affected request parameter, rendering path, or missing sanitization or output-escaping operation. No authentication is required; successful exploitation runs attacker-supplied script in a visitor's browser under the affected site's origin.

The record

CVE
CVE-2026-56071
Published
Jun 25, 2026
Updated
Jun 25, 2026
Vendor
AIOSEO Plugin Team
Product
Forminator Forms
Classifications
CWE-79, CAPEC-591, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Jun 25, 2026CVE publishedPublication date reported by the CVE source.
  2. Jun 25, 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=n/a <=1.53.1 changes=[{"at":"1.53.2","status":"unaffected"}]

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

AIOSEO Plugin Team · Forminator Formsversion=n/a <=1.53.1 changes=[{"at":"1.53.2","status":"unaffected"}]

Published CVSS scores

7.1PatchstackCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L

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 10, 2026Sep 16, 2026
Latest reporting daySep 16, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC-591Reflected XSS
T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

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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