CVE-2010-5100

TYPO3 Cross-Site Scripting vulnerability in the Install Tool

3.5 LowFix available

Multiple cross-site scripting (XSS) vulnerabilities in the Install Tool in TYPO3 4.2.x before 4.2.16, 4.3.x before 4.3.9, and 4.4.x before 4.4.5 allow remote authenticated users to inject arbitrary web script or HTML via unspecified vectors.

Exploit likelihood

1.11%Down 0.2 points since Feb 4, 2022

What each source reports

NVD Score used 3.5

Record: CVE-2010-5100
CVSS 2.0: 3.5 LowAV:N/AC:M/Au:S/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2010-5100
Updated: 2026-11-02

EUVDEUVD-2022-3387 No score

Record: EUVD-2022-3387
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9hh2-8cw6-hfv7 No score

TYPO3 Cross-Site Scripting vulnerability in the Install Tool

Record: GHSA-9hh2-8cw6-hfv7
Weakness: CWE-79
Updated: 2026-11-02

OSVGHSA-9hh2-8cw6-hfv7 No score

TYPO3 Cross-Site Scripting vulnerability in the Install Tool

Record: GHSA-9hh2-8cw6-hfv7
Weakness: CWE-79
Updated: 2026-11-02

Affected products

typo3

Affected packages

Affected packages
Package	Affected	Fixed
`typo3/cms-install` Packagist	4.2.0 up to 4.2.16	4.2.16
`typo3/cms-install` Packagist	4.3.0 up to 4.3.9	4.3.9
`typo3/cms-install` Packagist	4.4.0 up to 4.4.5	4.4.5

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2010-5100 is a low vulnerability (CVSS 3.5) in Typo3, published May 21, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.11%, the 66th percentile. Fixed in typo3/cms-install 4.2.16.

References

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