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Fencer Vulns
low 3.7

CVE-2023-38499 json

typo3/cms-core Information Disclosure due to Out-of-scope Site Resolution

published 2023-07-25 3 y ago modified 2026-06-17 4 mo ago also BIT-typo3-2023-38499 , EUVD-2023-2092 , GHSA-jq6g-4v5m-wm9r

cvss
3.7
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.1%
EPSS 1.1% chance of exploitation in 30 days, percentile 65%
public exploits
0
none known

Summary

TYPO3 is an open source PHP based web content management system. Starting in version 9.4.0 and prior to versions 9.5.42 ELTS, 10.4.39 ELTS, 11.5.30, and 12.4.4, in multi-site scenarios, enumerating the HTTP query parameters `id` and `L` allowed out-of-scope access to rendered content in the website frontend. For instance, this allowed visitors to access content of an internal site by adding handcrafted query parameters to the URL of a site that was publicly available. TYPO3 versions 9.5.42 ELTS, 10.4.39 ELTS, 11.5.30, 12.4.4 fix the problem.

Patch / fix

  • packagist typo3/cms-core 9.5.42, 10.4.39, 11.5.30, 12.4.4
  • bitnami typo3 9.5.42, 10.4.39, 11.5.30, 12.4.4
  • typo3 typo3 9.5.42, 10.4.39, 11.5.30, 12.4.4

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
2 y ago

Exploit prediction

1.07% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
GitHub 3.1 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
OSV 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected packages

ecosystem package affected fixed in
packagist typo3/cms-core
>=9.4.0, <9.5.42
>=10.0.0, <10.4.39
>=11.0.0, <11.5.30
>=12.0.0, <12.4.4
9.5.42
10.4.39
11.5.30
12.4.4
bitnami typo3
>=9.4.0, <9.5.42
>=10.0.0, <10.4.39
>=11.0.0, <11.5.30
>=12.0.0, <12.4.4
9.5.42
10.4.39
11.5.30
12.4.4

Affected products

  • TYPO3 typo3

Classification

Weakness
  • CWE-200 Exposure of Sensitive Information to an Unauthorized Actor

References

Sources

Fencer Vulns 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.