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TI-2021-04438 Aliases CVE-2021-21338GHSA-4jhw-2p6j-5wmp

Open Redirection in Login Handling

Priority LOW 29CWE-601Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Spoofing
Confidentiality · integrity · availability
Low · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-601.

Summary

TYPO3 is an open source PHP based web content management system. In TYPO3 before versions 6.2.57, 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1 it has been discovered that Login Handling is susceptible to open redirection which allows attackers redirecting to arbitrary content, and conducting phishing attacks. No authentication is required in order to exploit this vulnerability. This is fixed in versions 6.2.57, 7.6.51, 8.7.40, 9.5.25, 10.4.14, 11.1.1.

Why it matters now

EPSS 0.01104 65th percentileScored 2026-11-07
Fix Fixed typo3/cms-core (Packagist): 6.2.57, 7.6.51, 8.7.40 +3typo3/cms (Packagist): 10.4.14, 11.1.1, 9.5.25

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
TYPO3TYPO3.CMS6.2.0 – 6.2.56; 7.0.0 – 7.6.50; 8.0.0 – 8.7.39; 9.0.0 – 9.5.24; 10.0.0 – 10.4.13; 11.0.0 – 11.1.0—No fix listedCNA
—typo3/cms-core (Packagist)6.2.0 to before 6.2.576.2.57Patch availableGHSA-4jhw-2p6j-5wmp
—typo3/cms-core (Packagist)7.0.0 to before 7.6.517.6.51Patch availableGHSA-4jhw-2p6j-5wmp
—typo3/cms-core (Packagist)8.0.0 to before 8.7.408.7.40Patch availableGHSA-4jhw-2p6j-5wmp
—typo3/cms-core (Packagist)10.0.0 to before 10.4.1410.4.14Patch availableGHSA-4jhw-2p6j-5wmp
—typo3/cms-core (Packagist)11.0.0 to before 11.1.111.1.1Patch availableGHSA-4jhw-2p6j-5wmp
—typo3/cms-core (Packagist)9.0.0 to before 9.5.259.5.25Patch availableGHSA-4jhw-2p6j-5wmp
—typo3/cms (Packagist)10.0.0 to before 10.4.1410.4.14Patch availableGHSA-4jhw-2p6j-5wmp
—typo3/cms (Packagist)11.0.0 to before 11.1.111.1.1Patch availableGHSA-4jhw-2p6j-5wmp
—typo3/cms (Packagist)9.0.0 to before 9.5.259.5.25Patch availableGHSA-4jhw-2p6j-5wmp
  • TYPO3.CMS VendorTYPO3 Affected 6.2.0 – 6.2.56; 7.0.0 – 7.6.50; 8.0.0 – 8.7.39; 9.0.0 – 9.5.24; 10.0.0 – 10.4.13; 11.0.0 – 11.1.0 Fixed in — No fix listed CNA
  • typo3/cms-core (Packagist) Vendor— Affected 6.2.0 to before 6.2.57 Fixed in 6.2.57 Patch available GHSA-4jhw-2p6j-5wmp
  • typo3/cms-core (Packagist) Vendor— Affected 7.0.0 to before 7.6.51 Fixed in 7.6.51 Patch available GHSA-4jhw-2p6j-5wmp
  • typo3/cms-core (Packagist) Vendor— Affected 8.0.0 to before 8.7.40 Fixed in 8.7.40 Patch available GHSA-4jhw-2p6j-5wmp
  • typo3/cms-core (Packagist) Vendor— Affected 10.0.0 to before 10.4.14 Fixed in 10.4.14 Patch available GHSA-4jhw-2p6j-5wmp
  • typo3/cms-core (Packagist) Vendor— Affected 11.0.0 to before 11.1.1 Fixed in 11.1.1 Patch available GHSA-4jhw-2p6j-5wmp
  • typo3/cms-core (Packagist) Vendor— Affected 9.0.0 to before 9.5.25 Fixed in 9.5.25 Patch available GHSA-4jhw-2p6j-5wmp
  • typo3/cms (Packagist) Vendor— Affected 10.0.0 to before 10.4.14 Fixed in 10.4.14 Patch available GHSA-4jhw-2p6j-5wmp
  • typo3/cms (Packagist) Vendor— Affected 11.0.0 to before 11.1.1 Fixed in 11.1.1 Patch available GHSA-4jhw-2p6j-5wmp
  • typo3/cms (Packagist) Vendor— Affected 9.0.0 to before 9.5.25 Fixed in 9.5.25 Patch available GHSA-4jhw-2p6j-5wmp

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*6.2.0 to before 6.2.57; 7.0.0 to before 7.6.51; 8.0.0 to before 8.7.40; 9.0.0 to before 9.5.25; 10.0.0 to before 10.4.14; 11.0.0 to before 11.1.1VulnerableTYPO3
  • cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:* Versions 6.2.0 to before 6.2.57; 7.0.0 to before 7.6.51; 8.0.0 to before 8.7.40; 9.0.0 to before 9.5.25; 10.0.0 to before 10.4.14; 11.0.0 to before 11.1.1 Vulnerable ·TYPO3

Remediation

  • Fix · GHSA-4jhw-2p6j-5wmp typo3/cms-core (Packagist) Fixed in 6.2.57 Advisory →
  • Fix · GHSA-4jhw-2p6j-5wmp typo3/cms-core (Packagist) Fixed in 7.6.51 Advisory →
  • Fix · GHSA-4jhw-2p6j-5wmp typo3/cms-core (Packagist) Fixed in 8.7.40 Advisory →
  • Fix · GHSA-4jhw-2p6j-5wmp typo3/cms-core (Packagist) Fixed in 10.4.14 Advisory →
  • Fix · GHSA-4jhw-2p6j-5wmp typo3/cms-core (Packagist) Fixed in 11.1.1 Advisory →
  • Fix · GHSA-4jhw-2p6j-5wmp typo3/cms-core (Packagist) Fixed in 9.5.25 Advisory →
  • Fix · GHSA-4jhw-2p6j-5wmp typo3/cms (Packagist) Fixed in 10.4.14 Advisory →
  • Fix · GHSA-4jhw-2p6j-5wmp typo3/cms (Packagist) Fixed in 11.1.1 Advisory →
  • Fix · GHSA-4jhw-2p6j-5wmp typo3/cms (Packagist) Fixed in 9.5.25 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-21338
  2. 2026-10-03 Alias added: GHSA-4jhw-2p6j-5wmp

References

Advisory 4

Other 2

  • TI-2023-10314 Persisted Cross-Site Scripting in Frontend Rendering in typo3 CVSS 3.1HIGH 8.8
  • TI-2010-03538 The jumpUrl (aka access tracking) implementation in tslib/class.tslib_fe.php in TYPO3… CVSS 2.0HIGH 7.1
  • TI-2009-00775 The jumpUrl mechanism in class.tslib_fe.php in TYPO3 3.3.x through 3.8.x, 4.0 before… CVSS 2.0MEDIUM 5.0
  • TI-2009-00241 The Indexed Search Engine (indexed_search) system extension in TYPO3 4.0.0 through 4.0.9… CVSS 2.0HIGH 10.0
  • TI-2020-08940 Improperly Controlled Modification of Dynamically-Determined Object Attributes in TYPO3 CMS CVSS 3.1CRITICAL 10.0
  • TI-2011-03994 Improper authentication in TYPO3 CVSS 3.1CRITICAL 9.8
See all 217 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences