Values entered by visitors were placed into the HTML summary email without being escaped. An unauthenticated attacker could use this to inject HTML into an email that is shown to the recipient.

Attack Vector Network

Attack Complexity Low

Privileges Required None

Attack Requirements None

User Interaction Passive

Vulnerable System Confidentiality Impact None

Vulnerable System Integrity Impact Low

Vulnerable System Availability Impact None

Subsequent System Confidentiality Impact None

Subsequent System Integrity Impact None

Subsequent System Availability Impact None

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.00497.

Exploitation none

Automatable no

Technical Impact partial

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
TYPO3 Extension "TYPO3 Fluid-Form by coding.ms" unaffected
Version Status Constraints
6.0.0 affected < 6.0.6
0 affected < 5.0.10

No data.

No data.

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No data.

Project Subscriptions

No data.

Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://typo3.org/security/advisory/typo3-ext-sa-2026-033 cve-icon cve-icon
History

Tue, 20 Oct 2026 16:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Tue, 20 Oct 2026 12:45:00 +0000

Type Values Removed Values Added
Description Values entered by visitors were placed into the HTML summary email without being escaped. An unauthenticated attacker could use this to inject HTML into an email that is shown to the recipient.
Title Cross-Site Scripting in extension "TYPO3 Fluid-Form by coding.ms" (fluid_form)
Weaknesses CWE-79
References
Metrics cvssV4_0

{'score': 5.3, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N'}

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: TYPO3

Published:

Updated: 2026-10-20T15:43:57.631Z

Reserved: 2026-10-20T07:08:20.539Z

Link: CVE-2026-113442

cve-icon Vulnrichment

Updated: 2026-10-20T15:43:53.260Z

cve-icon NVD

Status : Deferred

Published: 2026-10-20T10:17:05.413

Modified: 2026-10-20T19:28:52.970

Link: CVE-2026-113442

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-20T15:30:06Z

Weaknesses