CVE-2020-26229: XML External Entity in Dashboard Widget

low Affects typo3/cms, typo3/cms-core. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

XML External Entity in Dashboard Widget

Package
typo3/cms Composer
Affected versions
>=10.0.0 and <10.4.10
Fixed in
10.4.10
Severity
low  CVSS 3.7
Exploitation
not on CISA KEV · EPSS 1% (50.7th percentile)
Published
2020-11-23
Source
osv.dev

References

XML External Entity in Dashboard Widget

Package
typo3/cms-core Composer
Affected versions
>=10.0.0 and <10.4.10
Fixed in
10.4.10
Severity
low  CVSS 3.7
Exploitation
not on CISA KEV · EPSS 1% (50.7th percentile)
Published
2020-11-23
Source
osv.dev

References

CWE-611
NVD recordtypo3/cms advisoriestypo3/cms-core advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs   How findings are ranked

Related advisories