TYPO3 CMS - Open Redirect in Core Utilities

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Summary

CVECVE-2026-47347
StatePUBLISHED
AssignerTYPO3
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-06-09 11:16:52 UTC
Updated2026-06-09 13:46:50 UTC
DescriptionApplications that use GeneralUtility::sanitizeLocalUrl to allow only local URLs are vulnerable to open redirect attacks if the URL is used after it has passed the aforementioned sanitization checks. This enables attackers to redirect users to external content and carry out phishing attacks. This issue affects TYPO3 CMS versions before 10.4.57, 11.0.0-11.5.50, 12.0.0-12.4.45, 13.0.0-13.4.30 and 14.0.0-14.3.2.

Risk And Classification

Primary CVSS: v4.0 5.3 MEDIUM from f4fb688c-4412-4426-b4b8-421ecf27b14a

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/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: 0.004840000 probability, percentile 0.377440000 (date 2026-06-16)

Problem Types: CWE-601 | CWE-601 CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

VersionSourceTypeScoreSeverityVector
4.0f4fb688c-4412-4426-b4b8-421ecf27b14aSecondary5.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:X/C...
4.0CNACVSS5.3MEDIUMCVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N

CVSS v4.0 Breakdown

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

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/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 10.4.57 semver Not specified
CNA TYPO3 TYPO3 CMS affected 11.0.0 11.5.51 semver Not specified
CNA TYPO3 TYPO3 CMS affected 12.0.0 12.4.46 semver Not specified
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-2026-009 f4fb688c-4412-4426-b4b8-421ecf27b14a typo3.org
github.com/TYPO3/typo3/commit/3ffc0835012c6199db0e1dc4b56a77147d8600e0 f4fb688c-4412-4426-b4b8-421ecf27b14a github.com
github.com/TYPO3/typo3/commit/22c2dd5398ebc4cb7aa4aa37e02cb39181dee0cd 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: Alexandre Romao (en)

CNA: Benjamin Franzke (en)

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