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TI-2021-12335 Aliases CVE-2021-32667GHSA-8mq9-fqv8-59wf

Cross-Site Scripting in Page Preview

Priority LOW 29CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
High
Impact type
Cross-site scripting
Confidentiality · integrity · availability
High · High · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-79.

Summary

TYPO3 is an open source PHP based web content management system. Versions 9.0.0 through 9.5.28, 10.0.0 through 10.4.17, and 11.0.0 through 11.3.0 have a cross-site scripting vulnerability. When _Page TSconfig_ settings are not properly encoded, corresponding page preview module (_Web>View_) is vulnerable to persistent cross-site scripting. A valid backend user account is needed to exploit this vulnerability. TYPO3 versions 9.5.29, 10.4.18, 11.3.1 contain a patch for this issue.

Why it matters now

EPSS 0.00603 49th percentileScored 2026-11-07
Fix Fixed TYPO3.CMS (TYPO3): 9.5.29, 10.4.18, 11.3.1typo3/cms-core (Packagist): 9.5.28, 10.4.18, 11.3.1+1 more product

SSVC decision points

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

Affected products

VendorProductAffected versionsFixed inStatusSource
TYPO3TYPO3.CMS9.0.0 to before 9.5.29; 10.0.0 to before 10.4.18; 11.0.0 to before 11.3.19.5.29, 10.4.18, 11.3.1Patch availableCNA
—typo3/cms-core (Packagist)9.0.0 to before 9.5.289.5.28Patch availableGHSA-8mq9-fqv8-59wf
—typo3/cms-core (Packagist)10.0.0 to before 10.4.1810.4.18Patch availableGHSA-8mq9-fqv8-59wf
—typo3/cms-core (Packagist)11.0.0 to before 11.3.111.3.1Patch availableGHSA-8mq9-fqv8-59wf
—typo3/cms (Packagist)10.0.0 to before 10.4.1810.4.18Patch availableGHSA-8mq9-fqv8-59wf
—typo3/cms (Packagist)11.0.0 to before 11.3.111.3.1Patch availableGHSA-8mq9-fqv8-59wf
—typo3/cms (Packagist)9.0.0 to before 9.5.289.5.28Patch availableGHSA-8mq9-fqv8-59wf
  • TYPO3.CMS VendorTYPO3 Affected 9.0.0 to before 9.5.29; 10.0.0 to before 10.4.18; 11.0.0 to before 11.3.1 Fixed in 9.5.29, 10.4.18, 11.3.1 Patch available CNA
  • typo3/cms-core (Packagist) Vendor— Affected 9.0.0 to before 9.5.28 Fixed in 9.5.28 Patch available GHSA-8mq9-fqv8-59wf
  • typo3/cms-core (Packagist) Vendor— Affected 10.0.0 to before 10.4.18 Fixed in 10.4.18 Patch available GHSA-8mq9-fqv8-59wf
  • typo3/cms-core (Packagist) Vendor— Affected 11.0.0 to before 11.3.1 Fixed in 11.3.1 Patch available GHSA-8mq9-fqv8-59wf
  • typo3/cms (Packagist) Vendor— Affected 10.0.0 to before 10.4.18 Fixed in 10.4.18 Patch available GHSA-8mq9-fqv8-59wf
  • typo3/cms (Packagist) Vendor— Affected 11.0.0 to before 11.3.1 Fixed in 11.3.1 Patch available GHSA-8mq9-fqv8-59wf
  • typo3/cms (Packagist) Vendor— Affected 9.0.0 to before 9.5.28 Fixed in 9.5.28 Patch available GHSA-8mq9-fqv8-59wf

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*9.0.0 – 9.5.287; 10.0.0 – 10.4.17; 11.0.0 – 11.3.0VulnerableTYPO3
  • cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:* Versions 9.0.0 – 9.5.287; 10.0.0 – 10.4.17; 11.0.0 – 11.3.0 Vulnerable ·TYPO3

Remediation

  • Fix · CNA TYPO3.CMS (TYPO3) Fixed in 9.5.29, 10.4.18, 11.3.1
  • Fix · GHSA-8mq9-fqv8-59wf typo3/cms-core (Packagist) Fixed in 9.5.28 Advisory →
  • Fix · GHSA-8mq9-fqv8-59wf typo3/cms-core (Packagist) Fixed in 10.4.18 Advisory →
  • Fix · GHSA-8mq9-fqv8-59wf typo3/cms-core (Packagist) Fixed in 11.3.1 Advisory →
  • Fix · GHSA-8mq9-fqv8-59wf typo3/cms (Packagist) Fixed in 10.4.18 Advisory →
  • Fix · GHSA-8mq9-fqv8-59wf typo3/cms (Packagist) Fixed in 11.3.1 Advisory →
  • Fix · GHSA-8mq9-fqv8-59wf typo3/cms (Packagist) Fixed in 9.5.28 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-32667
  2. 2026-10-03 Alias added: GHSA-8mq9-fqv8-59wf

References

Advisory 3

Other 4

  • 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

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