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Fencer Intel
low 3.5

CVE-2010-5100 json

TYPO3 Cross-Site Scripting vulnerability in the Install Tool

published 14y ago modified 4mo ago also GHSA-9hh2-8cw6-hfv7 , EUVD-2022-3387

cvss
3.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 66%
public exploits
0
none known

Summary

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.

Patch / fix

  • packagist typo3/cms-install 4.2.16, 4.3.9, 4.4.5

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Exploit prediction

1.11% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 3.5 AV:N/AC:M/Au:S/C:N/I:P/A:N

Affected packages

ecosystem package affected fixed in
packagist typo3/cms-install
>=4.2.0, <4.2.16
>=4.3.0, <4.3.9
>=4.4.0, <4.4.5
4.2.16
4.3.9
4.4.5

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.