Cross-site scripting (XSS) vulnerability in the Frontend Login Box (aka felogin)…
Priority LOW 24CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- None · Partial · None
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
Cross-site scripting (XSS) vulnerability in the Frontend Login Box (aka felogin) subcomponent in TYPO3 4.2.0 through 4.2.6 allows remote attackers to inject arbitrary web script or HTML via unspecified parameters.
Why it matters now
EPSS 0.01962 80th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:typo3:typo3:4.2.0:*:*:*:*:*:*:* | 4.2.0 | Vulnerable | TYPO3 |
| cpe:2.3:a:typo3:typo3:4.2.1:*:*:*:*:*:*:* | 4.2.1 | Vulnerable | TYPO3 |
| cpe:2.3:a:typo3:typo3:4.2.2:*:*:*:*:*:*:* | 4.2.2 | Vulnerable | TYPO3 |
| cpe:2.3:a:typo3:typo3:4.2.4:*:*:*:*:*:*:* | 4.2.4 | Vulnerable | TYPO3 |
| cpe:2.3:a:typo3:typo3:4.2.5:*:*:*:*:*:*:* | 4.2.5 | Vulnerable | TYPO3 |
| cpe:2.3:a:typo3:typo3:4.2.6:*:*:*:*:*:*:* | 4.2.6 | Vulnerable | TYPO3 |
- cpe:2.3:a:typo3:typo3:4.2.0:*:*:*:*:*:*:* Versions 4.2.0 Vulnerable ·TYPO3
- cpe:2.3:a:typo3:typo3:4.2.1:*:*:*:*:*:*:* Versions 4.2.1 Vulnerable ·TYPO3
- cpe:2.3:a:typo3:typo3:4.2.2:*:*:*:*:*:*:* Versions 4.2.2 Vulnerable ·TYPO3
- cpe:2.3:a:typo3:typo3:4.2.4:*:*:*:*:*:*:* Versions 4.2.4 Vulnerable ·TYPO3
- cpe:2.3:a:typo3:typo3:4.2.5:*:*:*:*:*:*:* Versions 4.2.5 Vulnerable ·TYPO3
- cpe:2.3:a:typo3:typo3:4.2.6:*:*:*:*:*:*:* Versions 4.2.6 Vulnerable ·TYPO3
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-3634
- 2026-10-03 Alias added: GHSA-55hp-jcxq-hgwc
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-2009-3634 · CVE Program
- CVE-2009-3634 · NVD
- FIRST EPSS
- GHSA-55hp-jcxq-hgwc · GitHub Advisory Database · CC BY 4.0
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