TYPO3 CMS - Cross-Site Scripting in Indexed Search

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Summary

CVECVE-2026-47348
StatePUBLISHED
AssignerTYPO3
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-09 11:16:52 UTC
Updated2026-06-09 13:46:50 UTC
DescriptionEditors with access to create or modify page content were able to include HTML markup in page titles that were stored in the search index without sanitization. When displayed in frontend search results via the Indexed Search plugin, these titles were rendered without proper output encoding, resulting in a Cross-Site Scripting vulnerability. This issue affects TYPO3 CMS versions 13.0.0-13.4.30 and 14.0.0-14.3.2.

Risk And Classification

Primary CVSS: v4.0 5.1 MEDIUM from f4fb688c-4412-4426-b4b8-421ecf27b14a

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

EPSS: 0.004670000 probability, percentile 0.367050000 (date 2026-06-16)

Problem Types: CWE-79 | CWE-79 CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

VersionSourceTypeScoreSeverityVector
4.0f4fb688c-4412-4426-b4b8-421ecf27b14aSecondary5.1MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/C...
4.0CNACVSS5.1MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:L/SA:N

CVSS v4.0 Breakdown

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
User Interaction
Passive
Confidentiality
Low
Integrity
Low
Availability
None
Sub Conf.
None
Sub Integrity
Low
Sub Availability
None

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/SC:N/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA TYPO3 TYPO3 CMS affected 13.0.0 13.4.31 semver Not specified
CNA TYPO3 TYPO3 CMS affected 14.0.0 14.3.3 semver Not specified

References

ReferenceSourceLinkTags
typo3.org/security/advisory/typo3-core-sa-2026-010 f4fb688c-4412-4426-b4b8-421ecf27b14a typo3.org
github.com/TYPO3/typo3/commit/8004b91a5951cfe01dda8554f77d0daa82d6b899 f4fb688c-4412-4426-b4b8-421ecf27b14a github.com
github.com/TYPO3/typo3/commit/2e96dd0e9fab7ad877b741fb9f6fc645b4270a3e f4fb688c-4412-4426-b4b8-421ecf27b14a github.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Vendor Comments And Credit

Discovery Credit

CNA: Jan Kahmen (en)

CNA: Sanjay Singh Jhala (en)

CNA: Oliver Hader (en)

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