CVE-2026-47347: TYPO3 CMS - Open Redirect in Core Utilities
Vulnerability summary
CVE-2026-47347 is a medium (CVSS 5.3) URL Redirection to Untrusted Site vulnerability in typo3 typo3 cms. EPSS estimates a 0.29% chance of exploitation in the next 30 days, higher than 22.1% of scored vulnerabilities.
Not severe (CVSS 5.3, network access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Timeline
- 09-06-2026PublishedVulnerability first disclosed.
- 09-06-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
2 scores · 2 sources · 1 version- NVDNIST5.3MediumCVSS: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/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 trend
Probability
0.29%
Chance of exploitation in the next 30 days
Percentile
22%
Versus all other CVEs
30-day change
Decrease -0.19 pp
From 0.48% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: network-reachable, no authentication, user interaction (CVSS vector). Other conditions: not stated in public data.
Typo31 product
- typo3 cms< 10.4.57 | ≥ 11.0.0, < 11.5.51 | ≥ 12.0.0, < 12.4.46 | ≥ 13.0.0, < 13.4.31 | ≥ 14.0.0, < 14.3.3
1 vendor · 1 product
References
3 links- typo3.org/security/advisory/typo3-core-sa-2026-009Vendor Advisory