Cross-site scripting in TYPO3
Priority LOW 29CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- 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-79.
Summary
Cross-site Scripting (XSS) in TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to inject arbitrary web script or HTML via the RemoveXSS function.
Why it matters now
EPSS 0.00834 57th percentileScored 2026-11-07
Fix Fixed TYPO3 (TYPO3): 4.5.4typo3/cms (Packagist): 4.3.12, 4.4.9, 4.5.4
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| TYPO3 | TYPO3 | before 4.5.4 | 4.5.4 | Patch available | CNA |
| — | typo3/cms (Packagist) | before 4.3.12 | 4.3.12 | Patch available | GHSA-q22w-r5qq-v3wf |
| — | typo3/cms (Packagist) | 4.4.0 to before 4.4.9 | 4.4.9 | Patch available | GHSA-q22w-r5qq-v3wf |
| — | typo3/cms (Packagist) | 4.5.0 to before 4.5.4 | 4.5.4 | Patch available | GHSA-q22w-r5qq-v3wf |
- TYPO3 VendorTYPO3 Affected before 4.5.4 Fixed in 4.5.4 Patch available CNA
- typo3/cms (Packagist) Vendor— Affected before 4.3.12 Fixed in 4.3.12 Patch available GHSA-q22w-r5qq-v3wf
- typo3/cms (Packagist) Vendor— Affected 4.4.0 to before 4.4.9 Fixed in 4.4.9 Patch available GHSA-q22w-r5qq-v3wf
- typo3/cms (Packagist) Vendor— Affected 4.5.0 to before 4.5.4 Fixed in 4.5.4 Patch available GHSA-q22w-r5qq-v3wf
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:* | 4.3.0 to before 4.3.12; 4.4.0 to before 4.4.9; 4.5.0 to before 4.5.4 | Vulnerable | TYPO3 |
- cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:* Versions 4.3.0 to before 4.3.12; 4.4.0 to before 4.4.9; 4.5.0 to before 4.5.4 Vulnerable ·TYPO3
Remediation
- Fix · CNA TYPO3 (TYPO3) Fixed in 4.5.4
- Fix · GHSA-q22w-r5qq-v3wf typo3/cms (Packagist) Fixed in 4.3.12 Advisory →
- Fix · GHSA-q22w-r5qq-v3wf typo3/cms (Packagist) Fixed in 4.4.9 Advisory →
- Fix · GHSA-q22w-r5qq-v3wf typo3/cms (Packagist) Fixed in 4.5.4 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2011-4903
- 2026-10-03 Alias added: GHSA-q22w-r5qq-v3wf
References
More Typo3 vulnerabilities
- 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
Sources
- CVE-2011-4903 · CVE Program
- CVE-2011-4903 · NVD
- FIRST EPSS
- GHSA-q22w-r5qq-v3wf · GitHub Advisory Database · CC BY 4.0
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