CVE-2026-47347

TYPO3 CMS - Open Redirect in Core Utilities

State: Published
Severity: 5.3 Medium
Published: Jun 9, 2026
Updated: Jun 9, 2026
Reserved: May 19, 2026

Description

Applications 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.

Scores

CVSS	Score	Vector	Source
4.0	5.3 Medium	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	TYPO3

Weaknesses

CWE-601 URL Redirection to Untrusted Site ('Open Redirect')

Affected Products

Product	Versions
TYPO3 CMSTYPO3	before 10.4.57Affected 11.0.0 to before 11.5.51Affected 12.0.0 to before 12.4.46Affected 13.0.0 to before 13.4.31Affected 14.0.0 to before 14.3.3Affected

References

https://typo3.org/security/advisory/typo3-core-sa-2026-009vendor-advisory
Git commit of main branchpatch
Git commit of 13.4 branchpatch

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