CVE-2011-4903
Typo3 XSS in RemoveXSS function
6.1
MEDIUM
CVSS 3.1
EPSS 0.33%
Description
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.
How to fix CVE-2011-4903
To remediate CVE-2011-4903, upgrade the affected package to a fixed version below.
- Packagist/typo3/cms—upgrade to 4.3.12 or later
Is CVE-2011-4903 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 4.3.12
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |