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CVE-2026-47347

TYPO3 CMS - Open Redirect in Core Utilities

MEDIUM
5.3
CVSS Score
Published: June 9, 2026 at 10:51 AM UTC
Updated: July 23, 2026 at 07:32 PM UTC
1 product affected across 1 vendorTYPO3

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

TYPO3· TYPO3composer
95%
v < 10.4.5711.0.0 ≤ v < 11.5.5112.0.0 ≤ v < 12.4.4613.0.0 ≤ v < 13.4.3114.0.0 ≤ v < 14.3.311.0.012.0.013.0.014.0.0
Affected range stops below 10.4.57, so it looks safe — our inference, not a vendor statement
Affected range stops below 11.5.51, so it looks safe — our inference, not a vendor statement
Affected range stops below 12.4.46, so it looks safe — our inference, not a vendor statement
Affected range stops below 13.4.31, so it looks safe — our inference, not a vendor statement
Affected range stops below 14.3.3, so it looks safe — our inference, not a vendor statement

References (3)

Vendor Advisory
Source: cverecord
https://typo3.org/security/advisory/typo3-core-sa-2026-009
Patch
Source: cverecord
https://github.com/TYPO3/typo3/commit/3ffc0835012c6199db0e1dc4b56a77147d8600e0
Patch
Source: cverecord
https://github.com/TYPO3/typo3/commit/22c2dd5398ebc4cb7aa4aa37e02cb39181dee0cd

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMTYPO3
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-601

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