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Security Advisories: MDE2OlNlY3VyaXR5QWR2aXNvcnlHSFNBLXE5Y3AtbWM5Ni1tNHcy

XML External Entity in Dashboard Widget


It has been discovered that RSS widgets are susceptible to XML external entity processing. This vulnerability is reasonable, but is theoretical - it was not possible to actually reproduce the vulnerability with current PHP versions of supported and maintained system distributions.

At least with libxml2 version 2.9, the processing of XML external entities is disabled per default - and cannot be exploited. Besides that, a valid backend user account is needed.


Update to TYPO3 version 10.4.10 that fixes the problem described.

Source: GitHub Advisory Database
Origin: Unspecified
Severity: Low
Classification: General
Published: almost 3 years ago
Updated: 9 months ago

CVSS Score: 3.7
CVSS vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:L/I:N/A:L

Identifiers: GHSA-q9cp-mc96-m4w2, CVE-2020-26229

Affected Packages

Versions: >= 10.4.0, < 10.4.10
Fixed in: 10.4.10