Medium severity · published Oct 20, 2026
CVE-2026-113442
Cross-Site Scripting in extension "TYPO3 Fluid-Form by coding.ms" (fluid_form)
5.3
CVSS
0.5%
EPSS
No
On KEV
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.
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 40% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
ET
Extension "TYPO3 Fluid-Form by coding.ms" · TYPO3
6.0.0 before 6.0.6; before 5.0.10 · source: vendor
Affected product
ET
Extension "TYPO3 Fluid-Form by coding.ms"
TYPO3
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-113442
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-113442
typo3.org
https://typo3.org/security/advisory/typo3-ext-sa-2026-033
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Broken Access Control in extension "TYPO3 Fluid-Form by coding.ms" (fluid_form)